diff --git a/device-types/Netgear/M4300-12X12F.yaml b/device-types/Netgear/M4300-12X12F.yaml
index 82af301c..6f97d446 100644
--- a/device-types/Netgear/M4300-12X12F.yaml
+++ b/device-types/Netgear/M4300-12X12F.yaml
@@ -7,10 +7,56 @@ is_full_depth: false
 airflow: front-to-rear
 comments: 'Documentation: [https://www.netgear.it/support/product/m4300-12x12f.aspx](https://www.netgear.it/support/product/m4300-12x12f.aspx)'
 subdevice_role: parent
-module-bays:
-  - name: unit-1
-    position: '1'
-    description: Switch card
-  - name: unit-2
-    position: '2'
-    description: Switch card
+interfaces:
+  - name: 1/0/1
+    type: 10gbase-x-sfpp
+  - name: 1/0/2
+    type: 10gbase-x-sfpp
+  - name: 1/0/3
+    type: 10gbase-x-sfpp
+  - name: 1/0/4
+    type: 10gbase-x-sfpp
+  - name: 1/0/5
+    type: 10gbase-x-sfpp
+  - name: 1/0/6
+    type: 10gbase-x-sfpp
+  - name: 1/0/7
+    type: 10gbase-x-sfpp
+  - name: 1/0/8
+    type: 10gbase-x-sfpp
+  - name: 1/0/9
+    type: 10gbase-x-sfpp
+  - name: 1/0/10
+    type: 10gbase-x-sfpp
+  - name: 1/0/11
+    type: 10gbase-x-sfpp
+  - name: 1/0/12
+    type: 10gbase-x-sfpp
+  - name: 1/0/13
+    type: 10gbase-t
+  - name: 1/0/14
+    type: 10gbase-t
+  - name: 1/0/15
+    type: 10gbase-t
+  - name: 1/0/16
+    type: 10gbase-t
+  - name: 1/0/17
+    type: 10gbase-t
+  - name: 1/0/18
+    type: 10gbase-t
+  - name: 1/0/19
+    type: 10gbase-t
+  - name: 1/0/20
+    type: 10gbase-t
+  - name: 1/0/21
+    type: 10gbase-t
+  - name: 1/0/22
+    type: 10gbase-t
+  - name: 1/0/23
+    type: 10gbase-t
+  - name: 1/0/24
+    type: 10gbase-t
+power-ports:
+  - name: PSU1
+    type: iec-60320-c14
+    maximum_draw: 250