---
manufacturer: HPE
model: Aruba 8400
slug: hpe-aruba-8400
part_number: JL375A
u_height: 8
weight: 34
weight_unit: kg
airflow: front-to-rear
is_full_depth: false
comments: '[Aruba 8400 Switch Series](https://www.arubanetworks.com/resource/8400-switch-series-data-sheet/)'
console-ports:
  - name: Console
    type: rj-45
module-bays:
  - name: '1'
    position: '1'
    description: Front Line Module Slot
  - name: '2'
    position: '2'
    description: Front Line Module Slot
  - name: '3'
    position: '3'
    description: Front Line Module Slot
  - name: '4'
    position: '4'
    description: Front Line Module Slot
  - name: '5'
    position: '5'
    description: Front Management Module Slot
  - name: '6'
    position: '6'
    description: Front Management Module Slot
  - name: '7'
    position: '7'
    description: Front Line Module Slot
  - name: '8'
    position: '8'
    description: Front Line Module Slot
  - name: '9'
    position: '9'
    description: Front Line Module Slot
  - name: '10'
    position: '10'
    description: Front Line Module Slot
  - name: Fabric1
    position: '1'
    description: Rear Fabric Slot
  - name: Fabric2
    position: '2'
    description: Rear Fabric Slot
  - name: Fabric3
    position: '3'
    description: Rear Fabric Slot
  - name: PS1
    position: '1'
  - name: PS2
    position: '2'
  - name: PS3
    position: '3'
  - name: PS4
    position: '4'
  - name: Fan1
    position: '1'
    description: Rear Fan Tray Slot
  - name: Fan2
    position: '2'
    description: Rear Fan Tray Slot
  - name: Fan3
    position: '3'
    description: Rear Fan Tray Slot