diff --git a/device-types/Cisco/ISR4321.yaml b/device-types/Cisco/ISR4321.yaml
new file mode 100644
index 000000000..848c625b4
--- /dev/null
+++ b/device-types/Cisco/ISR4321.yaml
@@ -0,0 +1,23 @@
+manufacturer: Cisco
+model: ISR4321
+part_number: ISR4321/K9
+slug: isr4321
+u_height: 1
+is_full_depth: true
+interfaces:
+  - name: GigabitEthernet0
+    type: 1000base-t
+    mgmt_only: true
+  - name: GigabitEthernet0/0/0
+    type: 1000base-x-sfp
+  - name: GigabitEthernet0/0/1
+    type: 1000base-t
+console-ports:
+  - name: con 0
+    type: rj-45
+  - name: usb
+    type: usb-mini-b
+power-ports:
+  - name: PSU0
+    type: iec-60320-c6
+    maximum_draw: 125