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Redundant server power supply unit in metal chassis

KHACHIMO

KHACHIMO DPS-550 800 1200AB Redundant Power Supply AC-148A 139B

SKU CH-HNMQ-V966E

Redundant ATX power supply delivering 550, 800 and 1200 watt outputs with AC-148A and 139B part compatibility

  • Product typeATX
  • Redundant design keeps servers running if one module fails
  • Tested working so it arrives ready for deployment
  • ATX form factor fits standard server chassis
  • 550 800 1200AB output ratings support demanding workloads

Redundant Server Power Supply

The KHACHIMO DPS-550 800 1200AB is a redundant power supply designed for server environments that require continuous uptime. It fits standard ATX bays and carries part identifiers AC-148A and 139B for exact replacement matching. This unit suits administrators maintaining compatible rackmount or tower systems where failover capability is essential.

ATX Form-Factor Constraints

The ATX physical format limits installation to chassis built for that mounting pattern and connector layout. Redundant operation depends on a backplane or cage that accepts hot-swap modules and distributes load across units. Systems lacking the correct slot spacing or signal pins cannot use this supply, and total output is bound by the 550, 800 and 1200 ratings printed on the label.

How it compares

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

Price $485.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

Should I choose the 550 W, 800 W or 1200 W version for my server?

Select the wattage that matches your chassis label — 550, 800 or 1200 watts — because each unit is keyed to a specific power budget.

What does the 148A and 139B rating mean once the supply is installed?

Those markings identify the exact Dell AC-148A and 139B part numbers, so the unit fits the redundant bay and reports correctly to the server management controller.

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