Chieftec GPB-450S power supply unit 450 W 20+4 pin ATX PS/2 Silver

The Chieftec GPB-450S 450 W is a reliable internal power supply unit for desktop PCs, offering stable power delivery with a total rated output of 450 W. Designed for fixed 200–240 V AC mains operation, this non‑modular PSU includes a 20+4 pin ATX motherboard connector, a 120 mm cooling fan and RoHS compliance for lower environmental impact.

Advantages

The GPB-450S combines up to 85% efficiency with a compact design and a 120 mm active fan to maintain temperature under load. Its fixed-voltage European configuration (200–240 V) and solid PCB design make it suitable for cost-conscious system builds where dependable power and straightforward installation are required.

Suitable for

• Office and home desktop PCs
• Basic multimedia and web browsing systems
• System upgrades where a 450 W non-modular PSU is sufficient

Key specifications

• Total power: 450 W
• Efficiency: 85%
• Motherboard connector: 20+4 pin ATX
• AC input: 200–240 V, 47–63 Hz
• Cooling: 120 mm fan
• Product colour: Silver
• RoHS compliant

How to use

Install the Chieftec GPB-450S into a compatible ATX case using standard PSU mounting points. Connect the 20+4 pin ATX cable to the motherboard and attach any additional peripheral connectors required by the system. Ensure mains voltage at the installation site is within the 200–240 V range before powering on. Allow adequate airflow around the unit and keep dust away from the fan for optimal cooling performance.

Recommendations

For reliable operation, pair this 450 W PSU with systems that have modest power demands (CPU and GPU combined within the unit's capacity) and perform periodic dust cleaning of the 120 mm fan to preserve cooling efficiency and longevity.