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Rectangular silver server power supply unit with model label

KHACHIMO

KHACHIMO PS-2551-5L 550W SA5212M4 NF5270 NF5280M5 power supply

SKU CH-CWRF-EFM0V

A 550 W ATX server power supply tested for reliable operation in SA5212M4, NF5270 and NF5280M5 systems

  • Product typeATX
  • 550 W output powers compatible servers
  • ATX form factor fits standard chassis
  • Tested working before shipment
  • Compatible with SA5212M4 NF5270 NF5280M5 systems

550 W ATX server power supply

The KHACHIMO PS-2551-5L delivers 550 W through an ATX form factor and is tested working before dispatch. It targets system builders and IT teams who need a direct replacement for the SA5212M4, NF5270 or NF5280M5 units in rackmount or tower servers.

Replaces SA5212M4 NF5270 NF5280M5 units

This supply fits the same mounting points and connector layout as the listed server models, so the swap is mechanical and electrical without rewiring. The jump is worth it when the original unit has failed, shows voltage drift or cannot sustain load under continuous operation.

How it compares

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

Price $125.99
Cheaper than about 57% of the 10,869 comparable items (median $142.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product typeATX

Questions about this item

What form factor does the PS-2551-5L 550W use for mounting in a server chassis?

The PS-2551-5L 550W uses an ATX form factor, so it fits standard ATX power supply bays in compatible server chassis.

What is the common installation mistake when fitting this supply into an NF5270 or NF5280M5 server?

Not fully seating the unit until the latch clicks; the supply must be pushed in until the retention latch engages to ensure proper electrical contact.

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