diff --git a/device-types/Cisco/c9800-40-k9.yaml b/device-types/Cisco/c9800-40-k9.yaml
new file mode 100644
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+++ b/device-types/Cisco/c9800-40-k9.yaml
@@ -0,0 +1,39 @@
+manufacturer: Cisco
+model: Catalyst 9800-40-K9
+slug: c9800-40-k9
+part_number: c9800-40-K9
+u_height: 1
+is_full_depth: false
+console-ports:
+- name: Con
+  type: rj-45
+- name: usb0
+  type: usb-micro-b
+interfaces:
+- name: Management Port
+  type: 1000base-t
+  mgmt_only: true
+- name: Redundancy Port
+  type: 1000base-t
+  mgmt_only: true
+- name: TenGigabitEthernet0/0/0
+  type: 10gbase-t
+  mgmt_only: false
+- name: TenGigabitEthernet0/0/1
+  type: 10gbase-t
+  mgmt_only: false  
+- name: TenGigabitEthernet0/0/2
+  type: 10gbase-t
+  mgmt_only: false  
+- name: TenGigabitEthernet0/0/3
+  type: 10gbase-t
+  mgmt_only: false  
+
+
+power-ports:
+  - name: PS1
+    type: iec-60320-c14
+    maximum_draw: 381
+  - name: PS2
+    type: iec-60320-c14
+    maximum_draw: 381