Chieftec GPB-500S power supply unit 500 W 20+4 pin ATX PS/2 Silver

The Chieftec GPB-500S 500W power supply unit provides stable 500 W output for desktop PCs. Designed with modern PCB layout and components from the iARENA series, this PSU is fixed for 230 V mains use and complies with RoHS requirements. It includes a 20+4 pin ATX connector, non-modular cabling and active cooling with a 120 mm fan to ensure consistent operation and heat dissipation.

Advantages

The unit combines an 85% efficiency rating with a competitive price point and resource-friendly bulk packaging to reduce procurement costs. Its proven PCB design and component selection deliver reliable power delivery for standard desktop configurations while meeting environmental directives.

Suitable for

• Office and home desktop PCs
• Basic gaming builds and multimedia systems
• System upgrades requiring a reliable 500 W PSU

Key specifications

• Total power: 500 W
• Efficiency: 85%
• Motherboard power connector: 20+4 pin ATX
• AC input voltage: 200–240 V
• Frequency: 47–63 Hz
• Cooling: active, 120 mm fan
• Cabling: non-modular
• Product colour: Silver
• Compliance: RoHS

How to use

Install the PSU into a compatible ATX chassis, secure it with the mounting screws, and connect the 20+4 pin ATX cable to the motherboard. Attach peripheral and SATA power connectors to drives and expansion cards as required. Ensure the AC mains supply matches the 200–240 V range and that the case has sufficient airflow for the 120 mm fan to operate effectively.

Recommendations

For stable operation, keep the interior of the PC case clear of dust, ensure adequate ventilation around the PSU intake and exhaust, and avoid loading the unit beyond its rated 500 W continuous output.