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HP J4839A 500-Watts Redundant Power Supply For ProCurve GL

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The HP J4839A 500-Watts Redundant Power Supply is a genuine HP power module built to protect compatible ProCurve GL, XL, and VL series switches from power-related downtime. It installs directly inside the switch chassis and can function as either the primary power source or as a backup unit in a redundant setup.
This power supply accepts a flexible 100–127V AC or 200–240V AC input at 50–60Hz, allowing it to operate across a range of network closet and data center power environments. Its redundant design means that if the switch's main power supply fails, the J4839A can take over automatically to keep the network switch running without interruption.
Designed for long-term reliability in enterprise networking environments, the J4839A is the complete redundant power supply kit for the HP ProCurve Switch 4108GL and is also cross-referenced with spare part numbers J4839-61101 and J4839-69001.
The HP J4839A is designed to work specifically with HP ProCurve switch chassis that support the GL/XL/VL power supply architecture, including the ProCurve Switch 4108GL. It installs internally and functions in either a primary or backup power role.
Before ordering, always confirm the exact switch model and chassis generation, since ProCurve power supplies are model-specific and not interchangeable across unrelated switch series. Where a redundant setup is required, HP recommends using a matching power supply to ensure consistent load sharing.
The HP J4839A gives network administrators a dependable way to add power redundancy to compatible ProCurve switches. Its dual-role design as primary or backup power makes it a practical safeguard against unexpected switch downtime.
The HP J4839A is typically deployed in enterprise and campus networking environments running HP ProCurve GL/XL/VL switches where continuous network uptime is a priority. Its redundant capability is especially useful in facilities where switch downtime directly impacts operations.
The HP J4839A is built for HP ProCurve GL, XL, and VL series switches, including the 4108GL. Please confirm your exact switch model before placing an order.
Yes, the HP J4839A can function as either the primary power supply or a redundant backup unit within a supported ProCurve switch chassis.
We back every HP J4839A with a warranty against defects, along with tested working condition before dispatch. Contact our sales team for exact warranty terms and current stock.