diff --git a/device-types/Cisco/FPR4120-NGFW-K9.yaml b/device-types/Cisco/FPR4120-NGFW-K9.yaml
new file mode 100644
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+++ b/device-types/Cisco/FPR4120-NGFW-K9.yaml
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+manufacturer: Cisco
+model: FPR4120-NGFW-K9
+slug: fpr4120-ngfw-k9
+part_number: FPR4120-NGFW-K9
+u_height: 1
+is_full_depth: true
+subdevice_role: parent
+comments: '[Cisco Firepower 4100 Series Data Sheet](https://www.cisco.com/c/en/us/products/collateral/security/firepower-4100-series/datasheet-c78-742474.html)'
+console-ports:
+- name: Console
+  type: rj-45
+power-ports:
+- name: PSU1
+  type: iec-60320-c14
+  maximum_draw: 1100
+- name: PSU2
+  type: iec-60320-c14
+  maximum_draw: 1100
+interfaces:
+- name: Ethernet1/1
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: Ethernet1/2
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: Ethernet1/3
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: Ethernet1/4
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: Ethernet1/5
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: Ethernet1/6
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: Ethernet1/7
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: Ethernet1/8
+  type: 10gbase-x-sfpp
+  mgmt_only: false
+- name: eth0
+  type: 1000base-x-sfp
+  mgmt_only: true
+device-bays:
+- name: Network Module 2
+- name: Network Module 3