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Rectangular silver server power supply unit with rear fan grille and power connector

KHACHIMO

KHACHIMO 550W Server Power Supply PSR550-12A 0231A8KX R4900 G3 R4700G3

SKU CH-4BGA-4TYJ6

550W ATX server power supply tested working for H3C R4900 G3 and R4700G3 systems

  • Product typeATX
  • 550 W output powers compatible H3C servers reliably
  • Tested working so the unit arrives ready for deployment
  • ATX form factor fits standard server chassis slots
  • Built with quality components for dependable operation

H3C Compatible 550W Server Supply

This 550 watt ATX power supply is built for H3C R4900 G3 and R4700G3 servers using part numbers PSR550-12A and 0231A8KX. It delivers the standard ATX form factor required by those platforms. Units are tested before shipment to confirm operation. Buyers needing redundant hot-swap modules or a different wattage for other chassis should verify compatibility first.

Straightforward ATX Installation

The supply fits the standard ATX mounting pattern used in the target H3C models, so no special brackets or adapters are required. Alignment of the main power connector and any auxiliary cables must match the server backplane exactly. The most common issue is a keying mismatch on the connector that prevents full seating, so inspect the pin layout before applying force.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $86.99
Cheaper than about 73% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How can I confirm the PSR550-12A is working correctly after installation?

The unit arrives tested working; verify the server powers on, the 550W output is stable under load, and the front-panel LEDs show normal operation.

What comes in the box with the 0231A8KX and what must I source separately?

The power supply module itself is included; mounting screws, rail kits, and any redundant PSU brackets required for the R4900 G3 or R4700G3 chassis must be purchased separately.

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