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Rectangular silver metal power supply module with rear vent grille and side latch

HPE

HPE Aruba X391 550W Power to Port AC Power Supply

SKU CH-6BJ5-C6JVM

A hot-pluggable 550 W AC power supply module for HPE Aruba switches

  • Hot-pluggable design enables replacement without downtime
  • 550 W output delivers power for Aruba network equipment
  • Power-to-port airflow matches switch cooling direction
  • Plug-in module form factor simplifies installation

HPE Aruba X391 550W AC Power Module

The HPE Aruba X391 is a 550 W hot-pluggable power supply designed for compatible Aruba network switches. It installs as a plug-in module to deliver AC power directly to switch ports. Network administrators use it to provide or expand power capacity in enterprise wiring closets. The unit supports live insertion and removal without powering down the chassis.

Replacing a failed or lower-capacity supply

This module replaces a failed internal supply or upgrades an existing lower-wattage unit to meet higher PoE demands. The jump is worth it when connected devices such as access points or phones exceed the current power budget. It is not for switches that require a different form factor or wattage rating. Buyers needing redundant power should verify chassis slot availability first.

Puntos fuertes

  • Hot-pluggable design enables replacement without downtime
  • 550 W output delivers power for Aruba network equipment
  • Power-to-port airflow matches switch cooling direction
  • Plug-in module form factor simplifies installation

Especificaciones

BrandHPE

Preguntas sobre este artículo

What slot type does the X391 550W power supply plug into?

The X391 is a hot-pluggable, plug-in module that slides directly into the compatible Aruba switch power-supply bay without cables.

What is the correct way to install the X391 module and which step is often missed?

Insert the module firmly until it clicks into the bay; the step often missed is verifying the latch fully engages so the unit seats properly and powers on.

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