Power Supply Unit CHIEFTEC GPF-300P TFX 300W 80 PLUS Bronze, 20+4pin ATX, 80mm fan

The CHIEFTEC Smart 300W (GPF-300P) is a TFX form factor power supply designed for small desktop systems and home entertainment PCs. It delivers 300 W total power with 80 PLUS Bronze efficiency and supports an AC input range of 115–230 V at 47–63 Hz. The unit includes a 20+4 pin ATX motherboard connector, SATA power cables, an 80 mm temperature-controlled fan and active PFC to ensure stable operation.

Advantages

The power supply combines a compact TFX design with 80 PLUS Bronze efficiency to reduce energy losses and heat generation. Active PFC improves voltage stability and compatibility with both Intel and AMD-based systems. A temperature-controlled 80 mm fan provides quiet, demand-driven cooling, while supplied SATA cables and a 30 cm main cable simplify installation in compact chassis.

Suitable for

• Small form factor desktop PCs
• Home entertainment systems and HTPCs
• Office workstations with low to moderate power demands

Key specifications

• Total power: 300 W
• Form factor: TFX
• Motherboard connector: 20+4 pin ATX (main cable length 30 cm)
• AC input: 115–230 V, 47–63 Hz
• 80 PLUS certification: 80 PLUS Bronze
• Fan diameter: 80 mm (temperature-controlled)
• Cable options: SATA power cables (150 mm and 350 mm)
• Weight: 1.07 kg
• Colour: Grey

How to use

Install the CHIEFTEC Smart 300W in a compatible TFX case following the chassis manufacturer’s instructions. Connect the 20+4 pin ATX connector to the motherboard and attach SATA power cables to drives as required. Ensure the AC input voltage matches the local mains supply (115–230 V) and secure all connections before powering the system. The fan is temperature-controlled and requires no manual adjustment.

Recommendations

Use this 300 W TFX PSU in systems with modest power requirements; avoid pairing it with high-end graphics cards or heavily overclocked CPUs. Maintain airflow in the chassis and periodically check cables and connectors for secure contact to ensure long-term reliability.