diff --git a/device/arista/x86_64-arista_7050_qx32s/Arista-7050QX-32S-S4Q31/hwsku.json b/device/arista/x86_64-arista_7050_qx32s/Arista-7050QX-32S-S4Q31/hwsku.json
index a407ccd84052..0f17443e499d 100644
--- a/device/arista/x86_64-arista_7050_qx32s/Arista-7050QX-32S-S4Q31/hwsku.json
+++ b/device/arista/x86_64-arista_7050_qx32s/Arista-7050QX-32S-S4Q31/hwsku.json
@@ -1,143 +1,131 @@
 {
     "interfaces": {
         "Ethernet0": {
-            "default_brkout_mode": "1x10G",
-            "port_type": "RJ45"
-        },
-        "Ethernet1": {
-            "default_brkout_mode": "1x10G",
-            "port_type": "RJ45"
-        },
-        "Ethernet2": {
-            "default_brkout_mode": "1x10G",
-            "port_type": "RJ45"
-        },
-        "Ethernet3": {
-            "default_brkout_mode": "1x1G",
+            "default_brkout_mode": "3x10G(3)+1x1G(1)",
             "port_type": "RJ45"
         },
         "Ethernet4": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet8": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet12": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet16": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet20": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet24": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet28": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet32": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet36": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet40": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet44": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet48": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet52": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet56": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet60": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet64": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet68": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet72": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet76": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet80": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet84": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet88": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet92": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet96": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet100": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet104": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet108": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet112": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet116": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet120": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         },
         "Ethernet124": {
-            "default_brkout_mode": "1x40G",
+            "default_brkout_mode": "1x40G[10G]",
             "port_type": "QSFP+"
         }
     }
diff --git a/device/arista/x86_64-arista_7050_qx32s/platform.json b/device/arista/x86_64-arista_7050_qx32s/platform.json
index 0dd9b558d06f..630861870452 100644
--- a/device/arista/x86_64-arista_7050_qx32s/platform.json
+++ b/device/arista/x86_64-arista_7050_qx32s/platform.json
@@ -201,6 +201,12 @@
                 "1x40G[10G]": [
                     "Ethernet5/1"
                 ],
+                "3x10G(3)+1x1G(1)": [
+                    "Ethernet1",
+                    "Ethernet2",
+                    "Ethernet3",
+                    "Ethernet4"
+                ],
                 "2x20G[10G]": [
                     "Ethernet5/1",
                     "Ethernet5/3"