diff --git a/device/arista/x86_64-arista_720dt_48s/platform_components.json b/device/arista/x86_64-arista_720dt_48s/platform_components.json
index 762bd5c87c..c77e3ca9a7 100644
--- a/device/arista/x86_64-arista_720dt_48s/platform_components.json
+++ b/device/arista/x86_64-arista_720dt_48s/platform_components.json
@@ -12,6 +12,18 @@
                 "Scd(addr=0000:00:18.7)": {}
             }
         },
+        "CCS-720DT-48S-2R": {
+            "component": {
+                "Aboot()": {},
+                "Scd(addr=0000:00:18.7)": {}
+            }
+        },
+        "CCS-720DT-48S-2F": {
+            "component": {
+                "Aboot()": {},
+                "Scd(addr=0000:00:18.7)": {}
+            }
+        },
         "CCS-720DT-48S-2R": {
             "component": {
                 "Aboot()": {},
diff --git a/device/arista/x86_64-arista_7800r3_48cq2_lc/platform_components.json b/device/arista/x86_64-arista_7800r3_48cq2_lc/platform_components.json
new file mode 100644
index 0000000000..02bd5e6d4a
--- /dev/null
+++ b/device/arista/x86_64-arista_7800r3_48cq2_lc/platform_components.json
@@ -0,0 +1,11 @@
+{
+    "chassis": {
+        "7800R3-48CQ2-LC": {
+            "component": {
+                "Aboot()": {},
+                "Scd(addr=0000:00:18.7)": {},
+                "Scd(addr=0000:07:00.0)": {}
+            }
+        }
+    }
+}
diff --git a/device/arista/x86_64-arista_7800r3_48cqm2_lc/platform_components.json b/device/arista/x86_64-arista_7800r3_48cqm2_lc/platform_components.json
new file mode 100644
index 0000000000..a90881ca60
--- /dev/null
+++ b/device/arista/x86_64-arista_7800r3_48cqm2_lc/platform_components.json
@@ -0,0 +1,11 @@
+{
+    "chassis": {
+        "7800R3-48CQM2-LC": {
+            "component": {
+                "Aboot()": {},
+                "Scd(addr=0000:00:18.7)": {},
+                "Scd(addr=0000:07:00.0)": {}
+            }
+        }
+    }
+}
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/platform_components.json b/device/arista/x86_64-arista_7800r3a_36d2_lc/platform_components.json
new file mode 100644
index 0000000000..9666c8e0b0
--- /dev/null
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/platform_components.json
@@ -0,0 +1,11 @@
+{
+    "chassis": {
+        "7800R3A-36DM2-LC": {
+            "component": {
+                "Aboot()": {},
+                "Scd(addr=0000:00:18.7)": {},
+                "Scd(addr=0000:08:00.0)": {}
+            }
+        }
+    }
+}