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Black metal Mini ITX power supply unit with modular cables visible

APEVIA CORP.

APEVIA CORP. ITX-PFC400W 400W Mini ITX Fully Modular Power Supply

SKU CH-RSBB-RRSWC

Fully modular 400 W Mini ITX unit with active PFC, 12 V 28 A rail and SATA connectors for small-form-factor builds

  • Product typeMini ITX
  • Fully modular cabling keeps small builds tidy
  • 400 W continuous power runs desktops and servers
  • Active PFC accepts 90 to 264 V worldwide
  • 40 mm double ball-bearing fan cools reliably
  • OVP, OLP, OCP, OTP and SCP protect components

400 W Flex ATX PSU for compact builds

The APEVIA ITX-PFC400W is a fully modular power supply in the Mini ITX form factor rated at 400 W. It targets builders assembling small-form-factor desktops, point-of-sale terminals, all-in-one systems or 1U servers where space is at a premium. The unit accepts a full-range 90-264 V input with active power-factor correction.

Fits tight chassis and frees cable space

Because the supply uses the Flex ATX footprint it slides into shallow cases that cannot accommodate a standard ATX unit. Fully modular cabling means only the required leads stay inside the build, reducing clutter and improving airflow in cramped enclosures. The 20+4 pin main connector works with both 20-pin and 24-pin motherboards, while the 4+4 pin CPU lead splits for 4-pin or 8-pin headers.

Bundled connectors cover essential peripherals

Included cables provide one 6+2 pin PCIe lead for a graphics card, two SATA connectors for drives, and two 4-pin peripheral plugs for fans or legacy devices. The removable pins on the CPU and PCIe cables let builders match the exact header without adapters. A power cord and retail packaging complete the package.

How it compares

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

Price $48.99
Cheaper than about 91% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeMini ITX

Questions about this item

Will the +12 V rail sustain its 28 A rating during continuous full-load operation?

The +12 V rail is rated for 28 A within the 400 W total capacity, and Overcurrent Protection trips if that limit is exceeded.

How loud does the 40 mm double ball-bearing fan get under all-day load?

Forced-air cooling uses a 40 mm double ball-bearing fan; noise rises with load but the bearing type reduces rattle over time.

My motherboard uses a 24-pin ATX and an 8-pin EPS connector — are both cables included?

The fully modular set includes a 20+4 pin main cable and an 8-pin (P4+4) CPU cable that splits to 4+4 if needed.

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