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

KHACHIMO

KHACHIMO CRPS 800W ATX Power Supply GWCR-800D GW-CRPS2U800 GW-BKPV2CB

SKU CH-Q29S-1GNMQ

An ATX power supply delivering 800W with 80 PLUS Gold efficiency, zero-RPM fan mode and Modern Standby support for silent, low-load operation

  • Product typeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold certified for 80%+ efficiency at typical loads
  • Zero RPM fan mode keeps system silent at low load
  • Resonant LLC topology with DC-to-DC delivers clean, stable power
  • DC-to-DC conversion enables deeper, more efficient sleep states

KHACHIMO CRPS 800W ATX Power Supply

The KHACHIMO CRPS 800W is an ATX switching power supply designed for desktop computers requiring 800W output. It holds 80 PLUS Gold certification for high efficiency operation and supports Modern Standby for fast wake-from-sleep times and better low-load efficiency. It suits builders assembling a new system or upgrading an existing ATX build.

Installation notes and common issues

The unit follows the standard ATX form factor and mounting pattern for typical case installation. Zero RPM Fan Mode stops the cooling fan at low and medium loads for near-silent operation; the fan will spin up under heavier demand. Resonant LLC topology with DC-to-DC conversion provides clean, consistent power and reduces coil whine, though some units may still produce faint noise in quiet environments.

Practical limits of the ATX interface

The ATX standard defines the physical dimensions, connector layout and signalling used by this supply. Maximum continuous power is 800W; sustained loads beyond this rating are not supported. Cable reach and connector count are fixed by the ATX specification and the unit's native harness, so builders with non-standard routing needs should verify compatibility before purchase.

How it compares

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

Price $454.99
Pricier than about 88% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

How can I verify the 800W unit is delivering power efficiently after installation?

Check that the 80 PLUS Gold certification badge appears in monitoring software and listen for the Zero RPM fan staying off during light loads.

What cables and accessories come with the GWCR-800D and what must I source separately?

The box includes the ATX power supply unit only; all modular cables, mounting screws and a power cord need to be purchased separately.

Which 800W variant should I choose between the GWCR-800D GW-CRPS2U800 GW-BKPV2CB listings?

They are the same 800W ATX model with Modern Standby support, Resonant LLC topology and 80 PLUS Gold efficiency; pick the part number your chassis manual specifies.

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