diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers.json.j2 b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers.json.j2
new file mode 100644
index 0000000000..1083a6210f
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers.json.j2
@@ -0,0 +1,2 @@
+{%- set default_topo = 't0' %}
+{%- include 'buffers_config.j2' %}
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers_defaults_t0.j2
new file mode 100644
index 0000000000..f5b7327e70
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/buffers_defaults_t0.j2
@@ -0,0 +1,46 @@
+{%- set default_cable = '300m' %}
+
+{%- macro generate_port_lists(PORT_ALL) %}
+    {# Generate list of ports #}
+    {%- for port_idx in range(0,32) %}
+        {%- if PORT_ALL.append("Ethernet%d" % (port_idx * 4)) %}{%- endif %}
+    {%- endfor %}
+{%- endmacro %}
+
+{%- macro generate_buffer_pool_and_profiles() %}
+    "BUFFER_POOL": {
+        "ingress_lossless_pool": {
+            "size": "32712448",
+            "type": "ingress",
+            "mode": "dynamic",
+            "xoff": "1622016"
+        },
+        "egress_lossy_pool": {
+            "size": "24709632",
+            "type": "egress",
+            "mode": "dynamic"
+        },
+        "egress_lossless_pool": {
+            "size": "32599040",
+            "type": "egress",
+            "mode": "static"
+        }
+    },
+    "BUFFER_PROFILE": {
+        "ingress_lossy_profile": {
+            "pool":"[BUFFER_POOL|ingress_lossless_pool]",
+            "size":"0",
+            "dynamic_th":"3"
+        },
+        "egress_lossless_profile": {
+            "pool":"[BUFFER_POOL|egress_lossless_pool]",
+            "size":"0",
+            "static_th":"32599040"
+        },
+        "egress_lossy_profile": {
+            "pool":"[BUFFER_POOL|egress_lossy_pool]",
+            "size":"1792",
+            "dynamic_th":"-1"
+        }
+    },
+{%- endmacro %}
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/pg_profile_lookup.ini b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/pg_profile_lookup.ini
new file mode 100644
index 0000000000..e30c3aeae2
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/pg_profile_lookup.ini
@@ -0,0 +1,8 @@
+# PG lossless profiles.
+# speed cable size    xon  xoff threshold xon_offset
+  50000  5m   4608    4608 33792   -3        4608
+ 100000  5m   4608    4608 49408   -3        4608
+  50000  40m  4608    4608 36352   -3        4608
+ 100000  40m  4608    4608 54528   -3        4608
+  50000  300m 4608    4608 55296   -3        4608
+ 100000  300m 4608    4608 92672   -3        4608
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/qos.json.j2 b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/qos.json.j2
new file mode 100644
index 0000000000..3e548325ea
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/qos.json.j2
@@ -0,0 +1 @@
+{%- include 'qos_config.j2' %}
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/td3-a7050cx3-32s-32x100G.config.bcm b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/td3-a7050cx3-32s-32x100G.config.bcm
index 5536bda517..c93de28595 100644
--- a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/td3-a7050cx3-32s-32x100G.config.bcm
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-C32/td3-a7050cx3-32s-32x100G.config.bcm
@@ -48,6 +48,11 @@ robust_hash_disable_vlan=1
 stable_size=0x5500000
 tdma_timeout_usec=15000000
 tslam_timeout_usec=15000000
+sai_optimized_mmu=1
+mmu_init_config="TD3-MSFT-T0-100G"
+buf.map.egress_pool0.ingress_pool=0
+buf.map.egress_pool1.ingress_pool=0
+buf.map.egress_pool2.ingress_pool=1
 phy_chain_rx_lane_map_physical{1.0}=0x1302
 phy_chain_rx_lane_map_physical{101.0}=0x0213
 phy_chain_rx_lane_map_physical{105.0}=0x2031
@@ -509,4 +514,4 @@ serdes_preemphasis_119=0x14410a
 serdes_preemphasis_123=0x14410a
 serdes_preemphasis_127=0x14410a
 serdes_driver_current_130=0xe
-serdes_preemphasis_130=0x102804
+serdes_preemphasis_130=0x102804
\ No newline at end of file
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers.json.j2 b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers.json.j2
new file mode 100644
index 0000000000..1083a6210f
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers.json.j2
@@ -0,0 +1,2 @@
+{%- set default_topo = 't0' %}
+{%- include 'buffers_config.j2' %}
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers_defaults_t0.j2
new file mode 100644
index 0000000000..e4d43cf75c
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/buffers_defaults_t0.j2
@@ -0,0 +1,47 @@
+
+{%- set default_cable = '300m' %}
+
+{%- macro generate_port_lists(PORT_ALL) %}
+    {# Generate list of ports #}
+    {%- for port_idx in range(0,32) %}
+        {%- if PORT_ALL.append("Ethernet%d" % (port_idx * 4)) %}{%- endif %}
+    {%- endfor %}
+{%- endmacro %}
+
+{%- macro generate_buffer_pool_and_profiles() %}
+    "BUFFER_POOL": {
+        "ingress_lossless_pool": {
+            "size": "32669440",
+            "type": "ingress",
+            "mode": "dynamic",
+            "xoff": "2058240"
+        },
+        "egress_lossy_pool": {
+            "size": "24192256",
+            "type": "egress",
+            "mode": "dynamic"
+        },
+        "egress_lossless_pool": {
+            "size": "32340992",
+            "type": "egress",
+            "mode": "static"
+        }
+    },
+    "BUFFER_PROFILE": {
+        "ingress_lossy_profile": {
+            "pool":"[BUFFER_POOL|ingress_lossless_pool]",
+            "size":"0",
+            "dynamic_th":"3"
+        },
+        "egress_lossless_profile": {
+            "pool":"[BUFFER_POOL|egress_lossless_pool]",
+            "size":"0",
+            "static_th":"32340992"
+        },
+        "egress_lossy_profile": {
+            "pool":"[BUFFER_POOL|egress_lossy_pool]",
+            "size":"1792",
+            "dynamic_th":"-1"
+        }
+    },
+{%- endmacro %}
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/pg_profile_lookup.ini b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/pg_profile_lookup.ini
new file mode 100644
index 0000000000..44880400d0
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/pg_profile_lookup.ini
@@ -0,0 +1,8 @@
+# PG lossless profiles.
+# speed cable size    xon  xoff threshold xon_offset
+  50000  5m   4608    4608 79872   -3        4608
+ 100000  5m   4608    4608 54528   -3        4608
+  50000  40m  4608    4608 39936   -3        4608
+ 100000  40m  4608    4608 60416   -3        4608
+  50000  300m 4608    4608 61440   -3        4608
+ 100000  300m 4608    4608 103680  -3        4608
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/qos.json.j2 b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/qos.json.j2
new file mode 100644
index 0000000000..3e548325ea
--- /dev/null
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/qos.json.j2
@@ -0,0 +1 @@
+{%- include 'qos_config.j2' %}
diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/td3-a7050cx3-32s-48x50G+8x100G.config.bcm b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/td3-a7050cx3-32s-48x50G+8x100G.config.bcm
index 5ec69f685e..1204e2dcb6 100644
--- a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/td3-a7050cx3-32s-48x50G+8x100G.config.bcm
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/td3-a7050cx3-32s-48x50G+8x100G.config.bcm
@@ -48,6 +48,11 @@ robust_hash_disable_vlan=1
 stable_size=0x5500000
 tdma_timeout_usec=15000000
 tslam_timeout_usec=15000000
+sai_optimized_mmu=1
+mmu_init_config="TD3-MSFT-T0-50G"
+buf.map.egress_pool0.ingress_pool=0
+buf.map.egress_pool1.ingress_pool=0
+buf.map.egress_pool2.ingress_pool=1
 phy_chain_rx_lane_map_physical{1.0}=0x1302
 phy_chain_rx_lane_map_physical{5.0}=0x3120
 phy_chain_rx_lane_map_physical{9.0}=0x3120
diff --git a/src/sonic-device-data/tests/permitted_list b/src/sonic-device-data/tests/permitted_list
index 997250cbf6..f152140e90 100644
--- a/src/sonic-device-data/tests/permitted_list
+++ b/src/sonic-device-data/tests/permitted_list
@@ -230,3 +230,7 @@ pbmp_gport_stack
 reglist_enable
 scache_filename
 host_as_route_disable
+sai_optimized_mmu
+buf.map.egress_pool0.ingress_pool
+buf.map.egress_pool1.ingress_pool
+buf.map.egress_pool2.ingress_pool