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Rectangular ATX power supply unit in black metal casing with cooling fan grille

KHACHIMO

KHACHIMO R515 R525 770W ATX Power Supply DPS-770AB B

SKU CH-C4MH-DYMBP

A 770W ATX power supply with 80 PLUS Gold efficiency, Zero RPM fan mode and Modern Standby support for quiet, efficient operation

  • Product typeATX
  • Fast wake-from-sleep with Modern Standby support
  • 80 PLUS Gold efficiency cuts power draw and heat
  • Fan stays off at low loads for silent running
  • Resonant LLC plus DC-to-DC gives clean, stable power
  • ATX form factor fits standard desktop builds

ATX power supply for modern PCs

This 770W ATX unit is built for desktop systems that demand efficient, reliable power delivery. It suits builders assembling new workstations or upgrading older chassis with a high-efficiency platform. The design supports Modern Standby for rapid wake-from-sleep behaviour. It is not intended for servers requiring redundant or hot-swap power modules.

80 PLUS Gold efficiency rating

The single specification that determines suitability is the 80 PLUS Gold certification, which guarantees high efficiency across typical load ranges. This reduces waste heat, lowers electricity draw and helps keep internal temperatures down. Systems that prioritise quiet, cool operation will benefit directly from this rating. Builds that only need basic bronze-level efficiency may find the extra headroom unnecessary.

Zero RPM fan mode and LLC topology

The bundled cooling behaviour changes acoustics: the fan stops completely at low and medium loads for near-silent running. Resonant LLC topology with DC-to-DC conversion delivers cleaner power and reduces coil whine, further cutting audible noise. Together they enable deeper, more energy-efficient sleep states without fan disturbance. Users who need constant airflow at all loads should note the fan will remain idle until higher demand appears.

How it compares

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

Price $233.99
Pricier than about 69% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeATX

Questions about this item

What does the 770 W rating mean when the PSU is installed in a PC?

It is the maximum continuous DC power the unit can deliver across all rails combined.

What does the ATX form factor define for this power supply?

ATX sets the physical dimensions, mounting holes and standard connector layout so the unit fits regular desktop cases and motherboards.

What clearance is needed inside the case for this power supply?

The ATX form factor fits standard desktop cases with a rear-mounted PSU bay; verify your chassis lists ATX PSU support.

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