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Rectangular ATX power supply unit with matte black metal casing and cooling fan visible

KHACHIMO

KHACHIMO PSR2500-12D 2500W ATX power supply

SKU CH-D1BQ-81A7E

ATX power supply delivers 2500W with 80 PLUS Gold efficiency, Modern Standby support, Zero RPM fan mode and resonant LLC topology with DC-to-DC conversion

  • Product typeATX
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Zero RPM fan mode keeps the unit silent at low loads
  • Modern Standby support gives near-instant wake from sleep
  • Resonant LLC with DC-to-DC delivers clean, stable voltage
  • 2500W ATX output handles extreme multi-GPU builds

2500W ATX power supply

The KHACHIMO PSR2500-12D is a high-output ATX power supply rated at 2500W, designed for workstations and servers that draw sustained heavy loads. It suits builders assembling multi-GPU render nodes, compute clusters or storage arrays where a single robust unit replaces multiple lesser supplies.

80 PLUS Gold with Zero RPM fan

The unit carries 80 PLUS Gold certification, delivering high efficiency that reduces waste heat and keeps internal temperatures lower. A Zero RPM fan mode stops the cooling fan completely at low and medium loads, while resonant LLC topology with DC-to-DC conversion minimises coil whine and supplies clean, stable rails for sensitive components.

Modern Standby and ATX fit checks

Verify that your chassis accepts a standard ATX form-factor supply and that the motherboard supports Modern Standby sleep states to use the fast wake-from-sleep capability. Ensure the combined 12V rail demand of your components stays within the unit’s rated output and that your mains circuit can sustain the draw.

How it compares

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

Price $2,795.99
Pricier than about 91% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What ATX standard does the PSR2500-12D follow and what power ceiling does that set?

The unit is an ATX power supply rated at 2500W, so it delivers up to 2500 watts within the ATX specification.

What physical space and mounting pattern does this 2500W ATX unit require?

It uses the standard ATX form factor, fitting a regular ATX case cut-out and securing with four rear mounting screws.

How is the PSR2500-12D installed and which step is often missed?

Mount the supply, connect the 24-pin ATX, CPU and GPU cables, then switch the rear I/O power switch on; many forget that final switch.

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