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Silver ATX power supply unit with rear fan grille and power socket

KHACHIMO

KHACHIMO 300W ATX Power Supply GPS-300KB B BS300

SKU CH-WX01-PZF3Q

ATX 300 W power supply with 80 PLUS Gold efficiency, Modern Standby support and a zero-RPM fan mode for silent low-load operation

  • TypeATX
  • Modern Standby support for instant wake and low-load efficiency
  • 80 PLUS Gold certification cuts power draw, noise and heat
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 300 W ATX output with PCIe 6-pin connector for graphics power

300W ATX Power Supply

The KHACHIMO GPS-300KB B BS300 is a 300W ATX power supply built for modern desktop PCs. It carries 80 PLUS Gold certification for high-efficiency operation and supports Modern Standby for rapid wake-from-sleep performance. Resonant LLC topology with DC-to-DC conversion delivers clean, consistent power output.

Quiet Office Builds and Low-Power Systems

This unit suits builders assembling office workstations, home-theatre PCs or compact systems with modest power draw who value silent running. The Zero RPM fan mode stops the fan completely at low and medium loads for near-silent operation. Buyers running dedicated graphics cards or high-wattage CPUs should look at higher-capacity units instead.

Standard ATX Chassis Integration

The ATX form factor fits standard desktop cases without special brackets or adapters. A native PCIe 6-pin connector is included for entry-level discrete graphics or peripheral power. Gold-rated efficiency reduces waste heat, easing the burden on case airflow and allowing smaller or slower case fans. Modern Standby support enables deeper sleep states compatible with current motherboards and operating systems.

Points forts

  • Modern Standby support for instant wake and low-load efficiency
  • 80 PLUS Gold certification cuts power draw, noise and heat
  • Zero RPM fan mode stops the fan at low and medium loads
  • Resonant LLC topology with DC-to-DC conversion delivers clean, stable power
  • 300 W ATX output with PCIe 6-pin connector for graphics power

Caractéristiques

TypeATX

Questions sur cet article

What motherboard power connectors does the ATX supply provide?

The unit follows the ATX standard, so it includes a 24-pin main connector and a 4/8-pin CPU connector for modern motherboards.

Can the PSU deliver power to a legacy graphics card that only needs a 6-pin PCIe plug?

Yes, a native 6-pin PCIe cable is fitted, so older GPUs that draw auxiliary power through that connector will work without adapters.

How can I confirm the Zero RPM fan mode is active after building the PC?

At idle or light load the fan stops completely; you will hear no spin noise and the blades will remain stationary while the system runs.

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