diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
index 9e5ca40832..647d967f84 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
@@ -41,7 +41,7 @@ SFP_PORT_NAME_CONVENTION = "sfp{}"
 
 # magic code defnition for port number, qsfp port position of each hwsku
 # port_position_tuple = (PORT_START, QSFP_PORT_START, PORT_END, PORT_IN_BLOCK, EEPROM_OFFSET)
-hwsku_dict = {'ACS-MSN2700': 0, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0, "LS-SN2700":0, 'ACS-MSN2740': 0, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2010': 3, 'ACS-MSN3700': 0, 'ACS-MSN3700C': 0, 'ACS-MSN3800': 4, 'Mellanox-SN3800-D112C8': 4, 'ACS-MSN4700': 0, 'ACS-MSN3420': 5}
+hwsku_dict = {'ACS-MSN2700': 0, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0, 'LS-SN2700':0, 'ACS-MSN2740': 0, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2010': 3, 'ACS-MSN3700': 0, 'ACS-MSN3700C': 0, 'ACS-MSN3800': 4, 'Mellanox-SN3800-D112C8': 4, 'ACS-MSN4700': 0, 'ACS-MSN3420': 5, 'ACS-MSN4600C': 4}
 port_position_tuple_list = [(0, 0, 31, 32, 1), (0, 0, 15, 16, 1), (0, 48, 55, 56, 1), (0, 18, 21, 22, 1), (0, 0, 63, 64, 1), (0, 48, 59, 60, 1)]
 
 def log_info(msg, also_print_to_console=False):
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers.json.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers.json.j2
new file mode 120000
index 0000000000..f46e960015
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_defaults_t0.j2
new file mode 120000
index 0000000000..ddb883a1da
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_defaults_t0.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_defaults_t1.j2
new file mode 120000
index 0000000000..f8bbb6e631
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_defaults_t1.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/pg_profile_lookup.ini b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/pg_profile_lookup.ini
new file mode 120000
index 0000000000..88e51ceae0
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/pg_profile_lookup.ini
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn4700-r0/ACS-MSN4700/pg_profile_lookup.ini
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/port_config.ini b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/port_config.ini
new file mode 100644
index 0000000000..7ccff5a8da
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/port_config.ini
@@ -0,0 +1,65 @@
+# name          lanes               alias     index
+Ethernet0       0,1,2,3             etp1      0
+Ethernet8       8,9,10,11           etp2      1
+Ethernet16      16,17,18,19         etp3      2
+Ethernet24      24,25,26,27         etp4      3
+Ethernet32      32,33,34,35         etp5      4
+Ethernet40      40,41,42,43         etp6      5
+Ethernet48      48,49,50,51         etp7      6
+Ethernet56      56,57,58,59         etp8      7
+Ethernet64      64,65,66,67         etp9      8
+Ethernet72      72,73,74,75         etp10     9
+Ethernet80      80,81,82,83         etp11     10
+Ethernet88      88,89,90,91         etp12     11
+Ethernet96      96,97,98,99         etp13     12
+Ethernet104     104,105,106,107     etp14     13
+Ethernet112     112,113,114,115     etp15     14
+Ethernet120     120,121,122,123     etp16     15
+Ethernet128     128,129,130,131     etp17     16
+Ethernet136     136,137,138,139     etp18     17
+Ethernet144     144,145,146,147     etp19     18
+Ethernet152     152,153,154,155     etp20     19
+Ethernet160     160,161,162,163     etp21     20
+Ethernet168     168,169,170,171     etp22     21
+Ethernet176     176,177,178,179     etp23     22
+Ethernet184     184,185,186,187     etp24     23
+Ethernet192     192,193,194,195     etp25     24
+Ethernet200     200,201,202,203     etp26     25
+Ethernet208     208,209,210,211     etp27     26
+Ethernet216     216,217,218,219     etp28     27
+Ethernet224     224,225,226,227     etp29     28
+Ethernet232     232,233,234,235     etp30     29
+Ethernet240     240,241,242,243     etp31     30
+Ethernet248     248,249,250,251     etp32     31
+Ethernet256     256,257,258,259     etp33     32
+Ethernet264     264,265,266,267     etp34     33
+Ethernet272     272,273,274,275     etp35     34
+Ethernet280     280,281,282,283     etp36     35
+Ethernet288     288,289,290,291     etp37     36
+Ethernet296     296,297,298,299     etp38     37
+Ethernet304     304,305,306,307     etp39     38
+Ethernet312     312,313,314,315     etp40     39
+Ethernet320     320,321,322,323     etp41     40
+Ethernet328     328,329,330,331     etp42     41
+Ethernet336     336,337,338,339     etp43     42
+Ethernet344     344,345,346,347     etp44     43
+Ethernet352     352,353,354,355     etp45     44
+Ethernet360     360,361,362,363     etp46     45
+Ethernet368     368,369,370,371     etp47     46
+Ethernet376     376,377,378,379     etp48     47
+Ethernet384     384,385,386,387     etp49     48
+Ethernet392     392,393,394,395     etp50     49
+Ethernet400     400,401,402,403     etp51     50
+Ethernet408     408,409,410,411     etp52     51
+Ethernet416     416,417,418,419     etp53     52
+Ethernet424     424,425,426,427     etp54     53
+Ethernet432     432,433,434,435     etp55     54
+Ethernet440     440,441,442,443     etp56     55
+Ethernet448     448,449,450,451     etp57     56
+Ethernet456     456,457,458,459     etp58     57
+Ethernet464     464,465,466,467     etp59     58
+Ethernet472     472,473,474,475     etp60     59
+Ethernet480     480,481,482,483     etp61     60
+Ethernet488     488,489,490,491     etp62     61
+Ethernet496     496,497,498,499     etp63     62
+Ethernet504     504,505,506,507     etp64     63
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/qos.json.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/qos.json.j2
new file mode 120000
index 0000000000..8633303ece
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/qos.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn4700-r0/ACS-MSN4700/qos.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/sai.profile b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/sai.profile
new file mode 100644
index 0000000000..e9d1e3e5f5
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/sai.profile
@@ -0,0 +1 @@
+SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/sai_4600C.xml
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/sai_4600C.xml b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/sai_4600C.xml
new file mode 100644
index 0000000000..02d0ed6ccd
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/sai_4600C.xml
@@ -0,0 +1,470 @@
+<?xml version="1.0"?>
+<root>
+    <platform_info type="4601">
+
+        <!-- Device MAC address  -->
+        <device-mac-address>00:02:03:04:05:80</device-mac-address>
+
+        <!-- ISSU enabled -->
+        <issu-enabled>1</issu-enabled>
+        
+        <!-- Number of ports in the following port list -->
+        <number-of-physical-ports>64</number-of-physical-ports>
+
+        <!-- List of ports in the device -->
+        <ports-list>
+            <port-info>
+                <local-port>105</local-port>
+                <width>4</width>
+                <module>0</module>
+
+                <!-- 0 none, 1=2, 2=4, 3=2,4 -->
+                <breakout-modes>3</breakout-modes>
+
+                <!-- (BITMASK) 2 - 1Gb , 16 - 10Gb , 32 - 40Gb , 384 - 50Gb , 1536 - 100Gb , 1536 - 200Gb -->
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>107</local-port>
+                <width>4</width>
+                <module>1</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>109</local-port>
+                <width>4</width>
+                <module>2</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>111</local-port>
+                <width>4</width>
+                <module>3</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>97</local-port>
+                <width>4</width>
+                <module>4</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>99</local-port>
+                <width>4</width>
+                <module>5</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>101</local-port>
+                <width>4</width>
+                <module>6</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>103</local-port>
+                <width>4</width>
+                <module>7</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>121</local-port>
+                <width>4</width>
+                <module>8</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>123</local-port>
+                <width>4</width>
+                <module>9</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>125</local-port>
+                <width>4</width>
+                <module>10</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>127</local-port>
+                <width>4</width>
+                <module>11</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>113</local-port>
+                <width>4</width>
+                <module>12</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>115</local-port>
+                <width>4</width>
+                <module>13</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>117</local-port>
+                <width>4</width>
+                <module>14</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>119</local-port>
+                <width>4</width>
+                <module>15</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>89</local-port>
+                <width>4</width>
+                <module>16</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>91</local-port>
+                <width>4</width>
+                <module>17</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>93</local-port>
+                <width>4</width>
+                <module>18</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>95</local-port>
+                <width>4</width>
+                <module>19</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>81</local-port>
+                <width>4</width>
+                <module>20</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>83</local-port>
+                <width>4</width>
+                <module>21</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>85</local-port>
+                <width>4</width>
+                <module>22</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>87</local-port>
+                <width>4</width>
+                <module>23</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>73</local-port>
+                <width>4</width>
+                <module>24</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>75</local-port>
+                <width>4</width>
+                <module>25</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>77</local-port>
+                <width>4</width>
+                <module>26</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>79</local-port>
+                <width>4</width>
+                <module>27</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>65</local-port>
+                <width>4</width>
+                <module>28</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>67</local-port>
+                <width>4</width>
+                <module>29</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>69</local-port>
+                <width>4</width>
+                <module>30</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>71</local-port>
+                <width>4</width>
+                <module>31</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>5</local-port>
+                <width>4</width>
+                <module>32</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>7</local-port>
+                <width>4</width>
+                <module>33</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>1</local-port>
+                <width>4</width>
+                <module>34</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>3</local-port>
+                <width>4</width>
+                <module>35</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>13</local-port>
+                <width>4</width>
+                <module>36</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>15</local-port>
+                <width>4</width>
+                <module>37</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>9</local-port>
+                <width>4</width>
+                <module>38</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>11</local-port>
+                <width>4</width>
+                <module>39</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>21</local-port>
+                <width>4</width>
+                <module>40</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>23</local-port>
+                <width>4</width>
+                <module>41</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>17</local-port>
+                <width>4</width>
+                <module>42</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>19</local-port>
+                <width>4</width>
+                <module>43</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>29</local-port>
+                <width>4</width>
+                <module>44</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>31</local-port>
+                <width>4</width>
+                <module>45</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>25</local-port>
+                <width>4</width>
+                <module>46</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>27</local-port>
+                <width>4</width>
+                <module>47</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>53</local-port>
+                <width>4</width>
+                <module>48</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>55</local-port>
+                <width>4</width>
+                <module>49</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>49</local-port>
+                <width>4</width>
+                <module>50</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>51</local-port>
+                <width>4</width>
+                <module>51</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>61</local-port>
+                <width>4</width>
+                <module>52</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>63</local-port>
+                <width>4</width>
+                <module>53</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>57</local-port>
+                <width>4</width>
+                <module>54</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>59</local-port>
+                <width>4</width>
+                <module>55</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>37</local-port>
+                <width>4</width>
+                <module>56</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>39</local-port>
+                <width>4</width>
+                <module>57</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>33</local-port>
+                <width>4</width>
+                <module>58</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>35</local-port>
+                <width>4</width>
+                <module>59</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>45</local-port>
+                <width>4</width>
+                <module>60</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>47</local-port>
+                <width>4</width>
+                <module>61</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>41</local-port>
+                <width>4</width>
+                <module>62</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>43</local-port>
+                <width>4</width>
+                <module>63</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+        </ports-list>
+    </platform_info>
+</root>
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/default_sku b/device/mellanox/x86_64-mlnx_msn4600c-r0/default_sku
new file mode 100644
index 0000000000..451382f6d8
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/default_sku
@@ -0,0 +1 @@
+ACS-MSN4600C t1
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_components.json b/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_components.json
new file mode 100644
index 0000000000..300a3827a0
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_components.json
@@ -0,0 +1,12 @@
+{
+    "chassis": {
+        "x86_64-mlnx_msn4600c-r0": {
+            "component": {
+                "BIOS": { },
+                "CPLD1": { },
+                "CPLD2": { },
+                "CPLD3": { }
+            }
+        }
+    }
+}
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_reboot b/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_reboot
new file mode 120000
index 0000000000..43c8ea5674
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_reboot
@@ -0,0 +1 @@
+../x86_64-mlnx_msn2700-r0/platform_reboot
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_wait b/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_wait
new file mode 120000
index 0000000000..4b30bd4298
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/platform_wait
@@ -0,0 +1 @@
+../x86_64-mlnx_msn2700-r0/platform_wait
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/eeprom.py b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/eeprom.py
new file mode 120000
index 0000000000..b4e2a6a616
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/eeprom.py
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/plugins/eeprom.py
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/psuutil.py b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/psuutil.py
new file mode 120000
index 0000000000..9f724238a8
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/psuutil.py
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/plugins/psuutil.py
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfplpmget.py b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfplpmget.py
new file mode 120000
index 0000000000..2e84f435ab
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfplpmget.py
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/plugins/sfplpmget.py
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfplpmset.py b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfplpmset.py
new file mode 120000
index 0000000000..6a88bac304
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfplpmset.py
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/plugins/sfplpmset.py
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfpreset.py b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfpreset.py
new file mode 120000
index 0000000000..fef2063e34
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfpreset.py
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/plugins/sfpreset.py
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfputil.py
new file mode 120000
index 0000000000..45909b880f
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/plugins/sfputil.py
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/plugins/sfputil.py
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_daemon_control.json b/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_daemon_control.json
new file mode 120000
index 0000000000..435a2ce7c0
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/pmon_daemon_control.json
@@ -0,0 +1 @@
+../x86_64-mlnx_msn2700-r0/pmon_daemon_control.json
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/sensors.conf b/device/mellanox/x86_64-mlnx_msn4600c-r0/sensors.conf
new file mode 100644
index 0000000000..b2f942ffa5
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/sensors.conf
@@ -0,0 +1,193 @@
+################################################################################
+# Copyright (c) 2020 Mellanox Technologies
+#
+# Platform specific sensors config for SN4600C
+################################################################################
+
+# Temperature sensors
+bus "i2c-2" "i2c-1-mux (chan_id 1)"
+    chip "mlxsw-i2c-*-48"
+        label temp1 "Ambient ASIC Temp"
+
+bus "i2c-7" "i2c-1-mux (chan_id 6)"
+    chip "tmp102-i2c-*-49"
+        label temp1 "Ambient Fan Side Temp (air intake)"
+    chip "tmp102-i2c-*-4a"
+        label temp1 "Ambient Port Side Temp (air exhaust)"
+
+bus "i2c-15" "i2c-1-mux (chan_id 6)"
+    chip "tmp102-i2c-15-49"
+        label temp1 "Ambient COMEX Temp"
+
+# Power controllers
+bus "i2c-5" "i2c-1-mux (chan_id 4)"
+    chip "xdpe12284-i2c-*-62"
+        label in1 "PMIC-1 PSU 12V Rail (in)"
+        label in2 "PMIC-1 PSU 12V Rail (in)"
+        label in3 "PMIC-1 ASIC 0.8V VCORE_MAIN Rail (out)"
+        ignore in4
+        label temp1 "PMIC-1 Temp 1"
+        label temp2 "PMIC-1 Temp 2"
+        label power1 "PMIC-1 ASIC 12V VCORE_MAIN Rail Pwr (in)"
+        ignore power2
+        label power3 "PMIC-1 ASIC 12V VCORE_MAIN Rail Pwr (out)"
+        ignore power4
+        label curr1 "PMIC-1 ASIC 0.8V VCORE_MAIN Rail Curr (in)"
+        ignore curr2
+        label curr3 "PMIC-1 ASIC 0.8V VCORE_MAIN Rail Curr (out)"
+        ignore curr4
+    chip "xdpe12284-i2c-*-64"
+        label in1 "PMIC-2 PSU 12V Rail (in)"
+        label in2 "PMIC-2 PSU 12V Rail (in)"
+        label in3 "PMIC-2 ASIC 1.8V MAIN Rail (out)"
+        label in4 "PMIC-2 ASIC 1.2V MAIN Rail (out)"
+        label temp1 "PMIC-2 Temp 1"
+        label temp2 "PMIC-2 Temp 2"
+        label power1 "PMIC-2 ASIC 1.8V MAIN Rail Pwr (in)"
+        label power2 "PMIC-2 ASIC 1.2V MAIN Rail Pwr (in)"
+        label power3 "PMIC-2 ASIC 1.8V MAIN Rail Pwr (out)"
+        label power4 "PMIC-2 ASIC 1.2V MAIN Rail Pwr (out)"
+        label curr1 "PMIC-2 ASIC 1.8V MAIN Rail Curr (in)"
+        label curr2 "PMIC-2 ASIC 1.2V MAIN Rail Curr (in)"
+        label curr3 "PMIC-2 ASIC 1.8V MAIN Rail Curr (out)"
+        label curr4 "PMIC-2 ASIC 1.2V MAIN Rail Curr (out)"
+    chip "xdpe12284-i2c-*-66"
+        label in1 "PMIC-3 PSU 12V Rail (in)"
+        label in2 "PMIC-3 PSU 12V Rail (in)"
+        label in3 "PMIC-3 ASIC 0.85V MAIN Rail (out)"
+        label in4 "PMIC-3 ASIC 1.8V MAIN Rail (out)"
+        label temp1 "PMIC-3 Temp 1"
+        label temp2 "PMIC-3 Temp 2"
+        label power1 "PMIC-3 ASIC 12V MAIN Rail Pwr (in)"
+        label power2 "PMIC-3 ASIC 12V MAIN Rail Pwr (in)"
+        label power3 "PMIC-3 ASIC 0.85V MAIN Rail Pwr (out)"
+        label power4 "PMIC-3 ASIC 1.8V MAIN Rail Pwr (out)"
+        label curr1 "PMIC-3 ASIC 12V MAIN Rail Curr (in)"
+        label curr2 "PMIC-3 ASIC 12V MAIN Rail Curr (in)"
+        label curr3 "PMIC-3 ASIC 0.85V MAIN Rail Curr (out)"
+        label curr4 "PMIC-3 ASIC 1.8V MAIN Rail Curr (out)"
+    chip "xdpe12284-i2c-*-68"
+        label in1 "PMIC-4 PSU 12V Rail (in)"
+        label in2 "PMIC-4 PSU 12V Rail (in)"
+        label in3 "PMIC-4 ASIC 0.85V VCORE_T6_7 Rail (out)"
+        label in4 "PMIC-4 ASIC 1.8V T6_7 Rail (out)"
+        label temp1 "PMIC-4 Temp 1"
+        label temp2 "PMIC-4 Temp 2"
+        label power1 "PMIC-4 ASIC 0.85V VCORE_T6_7 Rail Pwr (in)"
+        label power2 "PMIC-4 ASIC 1.8V T6_7 Rail Pwr (in)"
+        label power3 "PMIC-4 ASIC 0.85V VCORE_T6_7 Rail Pwr (out)"
+        label power4 "PMIC-4 ASIC 1.8V T6_7 Rail Pwr (out)"
+        label curr1 "PMIC-4 ASIC 0.85V VCORE_T6_7 Rail Curr (in)"
+        label curr2 "PMIC-4 ASIC 1.8V T6_7 Rail Curr (in)"
+        label curr3 "PMIC-4 ASIC 0.85V VCORE_T6_7 Rail Curr (out)"
+        label curr4 "PMIC-4 ASIC 1.8V T6_7 Rail Curr (out)"
+    chip "xdpe12284-i2c-*-6a"
+        label in1 "PMIC-5 PSU 12V Rail (in)"
+        label in2 "PMIC-5 PSU 12V Rail (in)"
+        label in3 "PMIC-5 ASIC 0.85V VCORE_T6_7 Rail (out)"
+        label in4 "PMIC-5 ASIC 1.8V T6_7 Rail (out)"
+        label temp1 "PMIC-5 Temp 1"
+        label temp2 "PMIC-5 Temp 2"
+        label power1 "PMIC-5 ASIC 0.85V VCORE_T6_7 Rail Pwr (in)"
+        label power2 "PMIC-5 ASIC 1.8V T6_7 Rail Pwr (in)"
+        label power3 "PMIC-5 ASIC 0.85V VCORE_T6_7 Rail Pwr (out)"
+        label power4 "PMIC-5 ASIC 1.8V T6_7 Rail Pwr (out)"
+        label curr1 "PMIC-5 ASIC 0.85V VCORE_T6_7 Rail Curr (in)"
+        label curr2 "PMIC-5 ASIC 1.8V T6_7 Rail Curr (in)"
+        label curr3 "PMIC-5 ASIC 0.85V VCORE_T6_7 Rail Curr (out)"
+        label curr4 "PMIC-5 ASIC 1.8V T6_7 Rail Curr (out)"
+    chip "xdpe12284-i2c-*-6c"
+        label in1 "PMIC-6 PSU 12V Rail (in)"
+        label in2 "PMIC-6 PSU 12V Rail (in)"
+        label in3 "PMIC-6 ASIC 0.85V VCORE_T6_7 Rail (out)"
+        label in4 "PMIC-6 ASIC 1.8V T6_7 Rail (out)"
+        label temp1 "PMIC-6 Temp 1"
+        label temp2 "PMIC-6 Temp 2"
+        label power1 "PMIC-6 ASIC 0.85V VCORE_T6_7 Rail Pwr (in)"
+        label power2 "PMIC-6 ASIC 1.8V T6_7 Rail Pwr (in)"
+        label power3 "PMIC-6 ASIC 0.85V VCORE_T6_7 Rail Pwr (out)"
+        label power4 "PMIC-6 ASIC 1.8V T6_7 Rail Pwr (out)"
+        label curr1 "PMIC-6 ASIC 0.85V VCORE_T6_7 Rail Curr (in)"
+        label curr2 "PMIC-6 ASIC 1.8V T6_7 Rail Curr (in)"
+        label curr3 "PMIC-6 ASIC 0.85V VCORE_T6_7 Rail Curr (out)"
+        label curr4 "PMIC-6 ASIC 1.8V T6_7 Rail Curr (out)"
+    chip "xdpe12284-i2c-*-6e"
+        label in1 "PMIC-7 PSU 12V Rail (in)"
+        label in2 "PMIC-7 PSU 12V Rail (in)"
+        label in3 "PMIC-7 ASIC 1.2V VCORE_T6_7 Rail (out)"
+        label in4 "PMIC-7 ASIC 1.2V T6_7 Rail (out)"
+        label temp1 "PMIC-7 Temp 1"
+        label temp2 "PMIC-7 Temp 2"
+        label power1 "PMIC-7 ASIC 0.85V VCORE_T6_7 Rail Pwr (in)"
+        label power2 "PMIC-7 ASIC 1.8V T6_7 Rail Pwr (in)"
+        label power3 "PMIC-7 ASIC 0.85V VCORE_T6_7 Rail Pwr (out)"
+        label power4 "PMIC-7 ASIC 1.8V T6_7 Rail Pwr (out)"
+        label curr1 "PMIC-7 ASIC 0.85V VCORE_T6_7 Rail Curr (in)"
+        label curr2 "PMIC-7 ASIC 1.8V T6_7 Rail Curr (in)"
+        label curr3 "PMIC-7 ASIC 0.85V VCORE_T6_7 Rail Curr (out)"
+        label curr4 "PMIC-7 ASIC 1.8V T6_7 Rail Curr (out)"
+
+bus "i2c-15" "i2c-1-mux (chan_id 6)"
+    chip "tps53679-i2c-*-58"
+        label in1 "PMIC-8 PSU 12V Rail (in)"
+        label in2 "PMIC-8 PSU 12V Rail (in)"
+        label in3 "PMIC-8 COMEX 1.8V Rail (out)"
+        label in4 "PMIC-8 COMEX 1.05V Rail (out)"
+        label temp1 "PMIC-8 Temp 1"
+        label temp2 "PMIC-8 Temp 2"
+        label power1 "PMIC-8 COMEX 1.8V Rail Pwr (out)"
+        label power2 "PMIC-8 COMEX 1.05V Rail Pwr (out)"
+        label curr1 "PMIC-8 COMEX 1.8V Rail Curr (out)"
+        label curr2 "PMIC-8 COMEX 1.05V Rail Curr (out)"
+    chip "tps53679-i2c-*-61"
+        label in1 "PMIC-9 PSU 12V Rail (in)"
+        label in2 "PMIC-9 PSU 12V Rail (in)"
+        label in3 "PMIC-9 COMEX 1.2V Rail (out)"
+        ignore in4
+        label temp1 "PMIC-9 Temp 1"
+        label temp2 "PMIC-9 Temp 2"
+        label power1 "PMIC-9 COMEX 1.2V Rail Pwr (out)"
+        ignore power2
+        label curr1 "PMIC-9 COMEX 1.2V Rail Curr (out)"
+        ignore curr2
+
+# Power supplies
+bus "i2c-4" "i2c-1-mux (chan_id 3)"
+    chip "dps460-i2c-*-58"
+        label in1 "PSU-2(R) 220V Rail (in)"
+        label in2 "PSU-2(R) 220V Rail (in)"
+        label in3 "PSU-2(R) 12V Rail (out)"
+        label fan1 "PSU-2(R) Fan 1"
+        ignore fan2
+        ignore fan3
+        label temp1 "PSU-2(R) Temp 1"
+        label temp2 "PSU-2(R) Temp 2"
+        label temp3 "PSU-2(R) Temp 3"
+        label power1 "PSU-2(R) 220V Rail Pwr (in)"
+        label power2 "PSU-2(R) 12V Rail Pwr (out)"
+        label curr1 "PSU-2(R) 220V Rail Curr (in)"
+        label curr2 "PSU-2(R) 12V Rail Curr (out)"
+    chip "dps460-i2c-*-59"
+        label in1 "PSU-1(L) 220V Rail (in)"
+        label in2 "PSU-1(L) 220V Rail (in)"
+        label in3 "PSU-1(L) 12V Rail (out)"
+        label fan1 "PSU-1(L) Fan 1"
+        ignore fan2
+        ignore fan3
+        label temp1 "PSU-1(L) Temp 1"
+        label temp2 "PSU-1(L) Temp 2"
+        label temp3 "PSU-1(L) Temp 3"
+        label power1 "PSU-1(L) 220V Rail Pwr (in)"
+        label power2 "PSU-1(L) 12V Rail Pwr (out)"
+        label curr1 "PSU-1(L) 220V Rail Curr (in)"
+        label curr2 "PSU-1(L) 12V Rail Curr (out)"
+
+# Chassis fans
+chip "mlxreg_fan-isa-*"
+    label fan1 "Chassis Fan Drawer-1"
+    label fan2 "Chassis Fan Drawer-2"
+    label fan3 "Chassis Fan Drawer-3"
+
+# Miscellaneous
+chip "*-virtual-*"
+    ignore temp1
diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py b/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
index c3642331d1..5ecf3c150d 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/chassis.py
@@ -50,7 +50,7 @@ logger = Logger()
 
 # magic code defnition for port number, qsfp port position of each hwsku
 # port_position_tuple = (PORT_START, QSFP_PORT_START, PORT_END, PORT_IN_BLOCK, EEPROM_OFFSET)
-hwsku_dict_port = {'ACS-MSN2010': 3, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2700': 0, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0, 'LS-SN2700':0, 'ACS-MSN2740': 0, 'ACS-MSN3700': 0, 'ACS-MSN3700C': 0, 'ACS-MSN3800': 4, 'Mellanox-SN3800-D112C8': 4, 'ACS-MSN4700': 0, 'ACS-MSN3420': 5}
+hwsku_dict_port = {'ACS-MSN2010': 3, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2700': 0, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0, 'LS-SN2700':0, 'ACS-MSN2740': 0, 'ACS-MSN3700': 0, 'ACS-MSN3700C': 0, 'ACS-MSN3800': 4, 'Mellanox-SN3800-D112C8': 4, 'ACS-MSN4700': 0, 'ACS-MSN3420': 5, 'ACS-MSN4600C': 4}
 port_position_tuple_list = [(0, 0, 31, 32, 1), (0, 0, 15, 16, 1), (0, 48, 55, 56, 1), (0, 18, 21, 22, 1), (0, 0, 63, 64, 1), (0, 48, 59, 60, 1)]
 
 class Chassis(ChassisBase):
diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py b/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py
index 6931cc0657..158be0c059 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/psu.py
@@ -37,7 +37,7 @@ hwsku_dict_with_unplugable_psu = ['ACS-MSN2010', 'ACS-MSN2100']
 
 # in most SKUs the file psuX_curr, psuX_volt and psuX_power contain current, voltage and power data respectively. 
 # but there are exceptions which will be handled by the following dictionary
-hwsku_dict_psu = {'ACS-MSN3700': 1, 'ACS-MSN3700C': 1, 'ACS-MSN3800': 1, 'Mellanox-SN3800-D112C8': 1, 'ACS-MSN4700': 1, 'ACS-MSN3420': 1}
+hwsku_dict_psu = {'ACS-MSN3700': 1, 'ACS-MSN3700C': 1, 'ACS-MSN3800': 1, 'Mellanox-SN3800-D112C8': 1, 'ACS-MSN4700': 1, 'ACS-MSN3420': 1, 'ACS-MSN4600C': 1}
 psu_profile_list = [
     # default filename convention
     {
diff --git a/platform/mellanox/mlnx-platform-api/sonic_platform/thermal.py b/platform/mellanox/mlnx-platform-api/sonic_platform/thermal.py
index d4b9d56dc1..be91cf9d52 100644
--- a/platform/mellanox/mlnx-platform-api/sonic_platform/thermal.py
+++ b/platform/mellanox/mlnx-platform-api/sonic_platform/thermal.py
@@ -124,7 +124,7 @@ thermal_api_names = [
     THERMAL_API_GET_HIGH_THRESHOLD
 ]
 
-hwsku_dict_thermal = {'ACS-MSN2700': 0, 'LS-SN2700':0, 'ACS-MSN2740': 3, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2010': 4, 'ACS-MSN3700': 5, 'ACS-MSN3700C': 6, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0, 'ACS-MSN3800': 7, 'Mellanox-SN3800-D112C8': 7, 'ACS-MSN4700': 8, 'ACS-MSN3420': 9}
+hwsku_dict_thermal = {'ACS-MSN2700': 0, 'LS-SN2700':0, 'ACS-MSN2740': 3, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2010': 4, 'ACS-MSN3700': 5, 'ACS-MSN3700C': 6, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0, 'ACS-MSN3800': 7, 'Mellanox-SN3800-D112C8': 7, 'ACS-MSN4700': 8, 'ACS-MSN3420': 9, 'ACS-MSN4600C': 9}
 thermal_profile_list = [
     # 2700
     {
@@ -280,6 +280,22 @@ thermal_profile_list = [
                 THERMAL_DEV_FAN_AMBIENT
             ]
         )
+    },
+    # 4600C
+    {
+        THERMAL_DEV_CATEGORY_CPU_CORE:(0, 4),
+        THERMAL_DEV_CATEGORY_MODULE:(1, 64),
+        THERMAL_DEV_CATEGORY_PSU:(1, 2),
+        THERMAL_DEV_CATEGORY_CPU_PACK:(0,1),
+        THERMAL_DEV_CATEGORY_GEARBOX:(0,0),
+        THERMAL_DEV_CATEGORY_AMBIENT:(0,
+            [
+                THERMAL_DEV_ASIC_AMBIENT,
+                THERMAL_DEV_COMEX_AMBIENT,
+                THERMAL_DEV_PORT_AMBIENT,
+                THERMAL_DEV_FAN_AMBIENT
+            ]
+        )
     }
 ]