---
manufacturer: HPE
model: Aruba 640 Redundant/External Power Supply Shelf
slug: hpe-aruba-640-redundant-external-power-supply-shelf
part_number: J9805A
u_height: 1
is_full_depth: false
module-bays:
  - name: Power Supply 1
    position: '1'
  - name: Power Supply 2
    position: '2'
  - name: Power Supply 3
    position: '3'
power-outlets:
  - name: 1A
    power_port: PS1
    type: dc-terminal
  - name: 1B
    power_port: PS1
    type: dc-terminal
  - name: 1C
    power_port: PS1
    type: dc-terminal
  - name: 1D
    power_port: PS1
    type: dc-terminal
  - name: 2A
    power_port: PS2
    type: dc-terminal
  - name: 2B
    power_port: PS2
    type: dc-terminal
  - name: 3A
    power_port: PS3
    type: dc-terminal
  - name: 3B
    power_port: PS3
    type: dc-terminal