diff --git a/device-types/Dell/Networking_S4048-ON.yaml b/device-types/Dell/Networking_S4048-ON.yaml
index 1485265e0..64b203d00 100644
--- a/device-types/Dell/Networking_S4048-ON.yaml
+++ b/device-types/Dell/Networking_S4048-ON.yaml
@@ -31,6 +31,8 @@ interfaces:
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/9
     type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet 1/10
+    type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/11
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/12
@@ -49,6 +51,8 @@ interfaces:
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/19
     type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet 1/20
+    type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/21
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/22
@@ -67,6 +71,8 @@ interfaces:
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/29
     type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet 1/30
+    type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/31
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/32
@@ -85,6 +91,8 @@ interfaces:
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/39
     type: 10gbase-x-sfpp
+  - name: TenGigabitEthernet 1/40
+    type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/41
     type: 10gbase-x-sfpp
   - name: TenGigabitEthernet 1/42