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 86dcc9342d..4b065f77cd 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
@@ -36,8 +36,8 @@ 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, "LS-SN2700":0, 'ACS-MSN2740': 0, 'ACS-MSN2100': 1, 'ACS-MSN2410': 2, 'ACS-MSN2010': 3, 'ACS-MSN3700': 0, 'ACS-MSN3700C': 0, 'Mellanox-SN2700': 0, 'Mellanox-SN2700-D48C8': 0}
-port_position_tuple_list = [(0, 0, 31, 32, 1), (0, 0, 15, 16, 1), (0, 48, 55, 56, 1),(0, 18, 21, 22, 1)]
+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}
+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)]
 
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers.json.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers.json.j2
new file mode 120000
index 0000000000..add8bf8bb7
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2
new file mode 120000
index 0000000000..85f0b6b6b3
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2
new file mode 120000
index 0000000000..3bb496a510
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/pg_profile_lookup.ini b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/pg_profile_lookup.ini
new file mode 120000
index 0000000000..252ae8d414
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/pg_profile_lookup.ini
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn3700-r0/ACS-MSN3700/pg_profile_lookup.ini
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/port_config.ini b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/port_config.ini
new file mode 100644
index 0000000000..db5216ccf2
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/port_config.ini
@@ -0,0 +1,65 @@
+# name         lanes              alias
+Ethernet0      0,1,2,3            etp1
+Ethernet4      4,5,6,7            etp2
+Ethernet8      8,9,10,11          etp3
+Ethernet12     12,13,14,15        etp4
+Ethernet16     16,17,18,19        etp5
+Ethernet20     20,21,22,23        etp6
+Ethernet24     24,25,26,27        etp7
+Ethernet28     28,29,30,31        etp8
+Ethernet32     32,33,34,35        etp9
+Ethernet36     36,37,38,39        etp10
+Ethernet40     40,41,42,43        etp11
+Ethernet44     44,45,46,47        etp12
+Ethernet48     48,49,50,51        etp13
+Ethernet52     52,53,54,55        etp14
+Ethernet56     56,57,58,59        etp15
+Ethernet60     60,61,62,63        etp16
+Ethernet64     64,65,66,67        etp17
+Ethernet68     68,69,70,71        etp18
+Ethernet72     72,73,74,75        etp19
+Ethernet76     76,77,78,79        etp20
+Ethernet80     80,81,82,83        etp21
+Ethernet84     84,85,86,87        etp22
+Ethernet88     88,89,90,91        etp23
+Ethernet92     92,93,94,95        etp24
+Ethernet96     96,97,98,99        etp25
+Ethernet100    100,101,102,103    etp26
+Ethernet104    104,105,106,107    etp27
+Ethernet108    108,109,110,111    etp28
+Ethernet112    112,113,114,115    etp29
+Ethernet116    116,117,118,119    etp30
+Ethernet120    120,121,122,123    etp31
+Ethernet124    124,125,126,127    etp32
+Ethernet128    128,129,130,131    etp33
+Ethernet132    132,133,134,135    etp34
+Ethernet136    136,137,138,139    etp35
+Ethernet140    140,141,142,143    etp36
+Ethernet144    144,145,146,147    etp37
+Ethernet148    148,149,150,151    etp38
+Ethernet152    152,153,154,155    etp39
+Ethernet156    156,157,158,159    etp40
+Ethernet160    160,161,162,163    etp41
+Ethernet164    164,165,166,167    etp42
+Ethernet168    168,169,170,171    etp43
+Ethernet172    172,173,174,175    etp44
+Ethernet176    176,177,178,179    etp45
+Ethernet180    180,181,182,183    etp46
+Ethernet184    184,185,186,187    etp47
+Ethernet188    188,189,190,191    etp48
+Ethernet192    192,193,194,195    etp49
+Ethernet196    196,197,198,199    etp50
+Ethernet200    200,201,202,203    etp51
+Ethernet204    204,205,206,207    etp52
+Ethernet208    208,209,210,211    etp53
+Ethernet212    212,213,214,215    etp54
+Ethernet216    216,217,218,219    etp55
+Ethernet220    220,221,222,223    etp56
+Ethernet224    224,225,226,227    etp57
+Ethernet228    228,229,230,231    etp58
+Ethernet232    232,233,234,235    etp59
+Ethernet236    236,237,238,239    etp60
+Ethernet240    240,241,242,243    etp61
+Ethernet244    244,245,246,247    etp62
+Ethernet248    248,249,250,251    etp63
+Ethernet252    252,253,254,255    etp64
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/qos.json.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/qos.json.j2
new file mode 120000
index 0000000000..eccf286dc8
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/qos.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/qos.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/sai.profile b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/sai.profile
new file mode 100644
index 0000000000..367f6c4e99
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/sai.profile
@@ -0,0 +1 @@
+SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/sai_3800.xml
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/sai_3800.xml b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/sai_3800.xml
new file mode 100644
index 0000000000..2d4c0f93d1
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/sai_3800.xml
@@ -0,0 +1,467 @@
+<?xml version="1.0"?>
+<root>
+    <platform_info type="3800">
+
+        <!-- Device MAC address  -->
+        <device-mac-address>00:02:03:04:05:00</device-mac-address>
+
+        <!-- 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>1</local-port>
+                <width>4</width>
+                <module>48</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 , 4096 - 200Gb -->
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>3</local-port>
+                <width>4</width>
+                <module>49</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>5</local-port>
+                <width>4</width>
+                <module>50</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>7</local-port>
+                <width>4</width>
+                <module>51</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>9</local-port>
+                <width>4</width>
+                <module>52</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>11</local-port>
+                <width>4</width>
+                <module>53</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>13</local-port>
+                <width>4</width>
+                <module>54</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>15</local-port>
+                <width>4</width>
+                <module>55</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>17</local-port>
+                <width>4</width>
+                <module>56</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>19</local-port>
+                <width>4</width>
+                <module>57</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>21</local-port>
+                <width>4</width>
+                <module>58</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>23</local-port>
+                <width>4</width>
+                <module>59</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>25</local-port>
+                <width>4</width>
+                <module>60</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>27</local-port>
+                <width>4</width>
+                <module>61</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>29</local-port>
+                <width>4</width>
+                <module>62</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>31</local-port>
+                <width>4</width>
+                <module>63</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>33</local-port>
+                <width>4</width>
+                <module>12</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>35</local-port>
+                <width>4</width>
+                <module>13</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>37</local-port>
+                <width>4</width>
+                <module>14</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>39</local-port>
+                <width>4</width>
+                <module>15</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>41</local-port>
+                <width>4</width>
+                <module>8</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>43</local-port>
+                <width>4</width>
+                <module>9</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>45</local-port>
+                <width>4</width>
+                <module>10</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>47</local-port>
+                <width>4</width>
+                <module>11</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>49</local-port>
+                <width>4</width>
+                <module>4</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>51</local-port>
+                <width>4</width>
+                <module>5</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>53</local-port>
+                <width>4</width>
+                <module>6</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>55</local-port>
+                <width>4</width>
+                <module>7</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>57</local-port>
+                <width>4</width>
+                <module>0</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>59</local-port>
+                <width>4</width>
+                <module>1</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>61</local-port>
+                <width>4</width>
+                <module>2</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>63</local-port>
+                <width>4</width>
+                <module>3</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>65</local-port>
+                <width>4</width>
+                <module>44</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>67</local-port>
+                <width>4</width>
+                <module>45</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>69</local-port>
+                <width>4</width>
+                <module>46</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>71</local-port>
+                <width>4</width>
+                <module>47</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>73</local-port>
+                <width>4</width>
+                <module>40</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>75</local-port>
+                <width>4</width>
+                <module>41</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>77</local-port>
+                <width>4</width>
+                <module>42</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>79</local-port>
+                <width>4</width>
+                <module>43</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>81</local-port>
+                <width>4</width>
+                <module>36</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>83</local-port>
+                <width>4</width>
+                <module>37</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>85</local-port>
+                <width>4</width>
+                <module>38</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>87</local-port>
+                <width>4</width>
+                <module>39</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>89</local-port>
+                <width>4</width>
+                <module>32</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>91</local-port>
+                <width>4</width>
+                <module>33</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>93</local-port>
+                <width>4</width>
+                <module>34</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>95</local-port>
+                <width>4</width>
+                <module>35</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>97</local-port>
+                <width>4</width>
+                <module>16</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>99</local-port>
+                <width>4</width>
+                <module>17</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>101</local-port>
+                <width>4</width>
+                <module>18</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>103</local-port>
+                <width>4</width>
+                <module>19</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>105</local-port>
+                <width>4</width>
+                <module>20</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>107</local-port>
+                <width>4</width>
+                <module>21</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>109</local-port>
+                <width>4</width>
+                <module>22</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>111</local-port>
+                <width>4</width>
+                <module>23</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>113</local-port>
+                <width>4</width>
+                <module>24</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>115</local-port>
+                <width>4</width>
+                <module>25</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>117</local-port>
+                <width>4</width>
+                <module>26</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>119</local-port>
+                <width>4</width>
+                <module>27</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>121</local-port>
+                <width>4</width>
+                <module>28</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>123</local-port>
+                <width>4</width>
+                <module>29</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>125</local-port>
+                <width>4</width>
+                <module>30</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+            <port-info>
+                <local-port>127</local-port>
+                <width>4</width>
+                <module>31</module>
+                <breakout-modes>3</breakout-modes>
+                <port-speed>1536</port-speed>
+            </port-info>
+        </ports-list>
+    </platform_info>
+</root>
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/default_sku b/device/mellanox/x86_64-mlnx_msn3800-r0/default_sku
new file mode 100644
index 0000000000..c5d9d513ad
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/default_sku
@@ -0,0 +1 @@
+ACS-MSN3800 t1
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/platform_reboot b/device/mellanox/x86_64-mlnx_msn3800-r0/platform_reboot
new file mode 120000
index 0000000000..43c8ea5674
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/platform_wait b/device/mellanox/x86_64-mlnx_msn3800-r0/platform_wait
new file mode 120000
index 0000000000..4b30bd4298
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/plugins/eeprom.py b/device/mellanox/x86_64-mlnx_msn3800-r0/plugins/eeprom.py
new file mode 120000
index 0000000000..b4e2a6a616
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/plugins/psuutil.py b/device/mellanox/x86_64-mlnx_msn3800-r0/plugins/psuutil.py
new file mode 120000
index 0000000000..9f724238a8
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/plugins/sfplpmget.py b/device/mellanox/x86_64-mlnx_msn3800-r0/plugins/sfplpmget.py
new file mode 120000
index 0000000000..2e84f435ab
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/plugins/sfplpmset.py b/device/mellanox/x86_64-mlnx_msn3800-r0/plugins/sfplpmset.py
new file mode 120000
index 0000000000..6a88bac304
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/plugins/sfpreset.py b/device/mellanox/x86_64-mlnx_msn3800-r0/plugins/sfpreset.py
new file mode 120000
index 0000000000..fef2063e34
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn3800-r0/plugins/sfputil.py
new file mode 120000
index 0000000000..45909b880f
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-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_msn3800-r0/sensors.conf b/device/mellanox/x86_64-mlnx_msn3800-r0/sensors.conf
new file mode 100644
index 0000000000..fab58890ad
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/sensors.conf
@@ -0,0 +1,127 @@
+################################################################################
+# Copyright (c) 2019 Mellanox Technologies
+#
+# Platform specific sensors config for SN3800
+################################################################################
+
+# 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 "tps53679-i2c-*-70"
+        label in1 "PMIC-1 PSU 12V Rail (in)"
+        label in2 "PMIC-1 ASIC 0.8V VCORE Rail (out)"
+        label in3 "PMIC-1 ASIC 1.2V Rail (out)"
+        label temp1 "PMIC-1 Temp 1"
+        label temp2 "PMIC-1 Temp 2"
+        label power1 "PMIC-1 ASIC 0.8V VCORE Rail Pwr (out)"
+        label power2 "PMIC-1 ASIC 1.2V Rail Pwr (out)"
+        label curr1 "PMIC-1 ASIC 0.8V VCORE Rail Curr (out)"
+        label curr2 "PMIC-1 ASIC 1.2V Rail Curr (out)"
+    chip "tps53679-i2c-*-71"
+        label in1 "PMIC-2 PSU 12V Rail (in)"
+        label in2 "PMIC-2 GB 0.8V Rail (out)"
+        label in3 "PMIC-2 GB 1.125V Rail (out)"
+        label temp1 "PMIC-2 Temp 1"
+        label temp2 "PMIC-2 Temp 2"
+        label power1 "PMIC-2 GB 0.8V Rail Pwr (out)"
+        label power2 "PMIC-2 GB 1.125V Rail Pwr (out)"
+        label curr1 "PMIC-2 GB 0.8V Rail Curr (out)"
+        label curr2 "PMIC-2 GB 1.125V Rail Curr (out)"
+    chip "tps53679-i2c-*-72"
+        label in1 "PMIC-3 PSU 12V Rail (in)"
+        label in2 "PMIC-3 ASIC 1.8V Rail (out)"
+        ignore in3
+        label temp1 "PMIC-3 Temp 1"
+        label temp2 "PMIC-3 Temp 2"
+        label power1 "PMIC-3 ASIC 1.8V Rail Pwr (out)"
+        ignore power2
+        label curr1 "PMIC-3 ASIC 1.8V Rail Curr (out)"
+        ignore curr2
+    chip "tps53679-i2c-*-73"
+        label in1 "PMIC-4 PSU 12V Rail (in)"
+        label in2 "PMIC-4 GB 0.8V Rail (out)"
+        label in3 "PMIC-4 GB 1.125V Rail (out)"
+        label temp1 "PMIC-4 Temp 1"
+        label temp2 "PMIC-4 Temp 2"
+        label power1 "PMIC-4 GB 0.8V Rail Pwr (out)"
+        label power2 "PMIC-4 GB 1.125V Rail Pwr (out)"
+        label curr1 "PMIC-4 GB 0.8V Rail Curr (out)"
+        label curr2 "PMIC-4 GB 1.125V Rail Curr (out)"
+
+bus "i2c-15" "i2c-1-mux (chan_id 6)"
+    chip "tps53679-i2c-*-58"
+        label in1 "PMIC-5 PSU 12V Rail (in)"
+        label in2 "PMIC-5 COMEX 1.8V Rail (out)"
+        label in3 "PMIC-5 COMEX 1.05V Rail (out)"
+        label temp1 "PMIC-5 Temp 1"
+        label temp2 "PMIC-5 Temp 2"
+        label power1 "PMIC-5 COMEX 1.8V Rail Pwr (out)"
+        label power2 "PMIC-5 COMEX 1.05V Rail Pwr (out)"
+        label curr1 "PMIC-5 COMEX 1.8V Rail Curr (out)"
+        label curr2 "PMIC-5 COMEX 1.05V Rail Curr (out)"
+    chip "tps53679-i2c-*-61"
+        label in1 "PMIC-6 PSU 12V Rail (in)"
+        label in2 "PMIC-6 COMEX 1.2V Rail (out)"
+        ignore in3
+        label temp1 "PMIC-6 Temp 1"
+        label temp2 "PMIC-6 Temp 2"
+        label power1 "PMIC-6 COMEX 1.2V Rail Pwr (out)"
+        ignore power2
+        label curr1 "PMIC-6 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-1 220V Rail (in)"
+        ignore in2
+        label in3 "PSU-1 12V Rail (out)"
+        label fan1 "PSU-1 Fan 1"
+        ignore fan2
+        ignore fan3
+        label temp1 "PSU-1 Temp 1"
+        label temp2 "PSU-1 Temp 2"
+        label temp3 "PSU-1 Temp 3"
+        label power1 "PSU-1 220V Rail Pwr (in)"
+        label power2 "PSU-1 12V Rail Pwr (out)"
+        label curr1 "PSU-1 220V Rail Curr (in)"
+        label curr2 "PSU-1 12V Rail Curr (out)"
+    chip "dps460-i2c-*-59"
+        label in1 "PSU-2 220V Rail (in)"
+        ignore in2
+        label in3 "PSU-2 12V Rail (out)"
+        label fan1 "PSU-2 Fan 1"
+        ignore fan2
+        ignore fan3
+        label temp1 "PSU-2 Temp 1"
+        label temp2 "PSU-2 Temp 2"
+        label temp3 "PSU-2 Temp 3"
+        label power1 "PSU-2 220V Rail Pwr (in)"
+        label power2 "PSU-2 12V Rail Pwr (out)"
+        label curr1 "PSU-2 220V Rail Curr (in)"
+        label curr2 "PSU-2 12V Rail Curr (out)"
+
+# Chassis fans
+chip "mlxreg_fan-isa-*"
+    label fan1 "Chassis Fan Drawer-1 Tach 1"
+    label fan2 "Chassis Fan Drawer-2 Tach 1"
+    label fan3 "Chassis Fan Drawer-3 Tach 1"
+
+# Miscellaneous
+chip "*-virtual-*"
+    ignore temp1
+    ignore temp2
diff --git a/platform/mellanox/mft.mk b/platform/mellanox/mft.mk
index 701a0a81fe..ae2c92e0ac 100644
--- a/platform/mellanox/mft.mk
+++ b/platform/mellanox/mft.mk
@@ -1,7 +1,7 @@
 # Mellanox SAI
 
 MFT_VERSION = 4.12.0
-MFT_REVISION = 34
+MFT_REVISION = 104
 
 export MFT_VERSION MFT_REVISION