---
manufacturer: Cisco
model: FPR4125-NGFW-K9
slug: cisco-fpr4125-ngfw-k9
part_number: FPR4125-NGFW-K9
u_height: 1
is_full_depth: true
front_image: true
rear_image: true
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
  - name: usb
    type: usb-a
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
  - name: Ethernet1/2
    type: 10gbase-x-sfpp
  - name: Ethernet1/3
    type: 10gbase-x-sfpp
  - name: Ethernet1/4
    type: 10gbase-x-sfpp
  - name: Ethernet1/5
    type: 10gbase-x-sfpp
  - name: Ethernet1/6
    type: 10gbase-x-sfpp
  - name: Ethernet1/7
    type: 10gbase-x-sfpp
  - name: Ethernet1/8
    type: 10gbase-x-sfpp
  - name: eth0
    type: 1000base-x-sfp
    mgmt_only: true
module-bays:
  - name: Network Module 2
    position: '2'
  - name: Network Module 3
    position: '3'