Chieftec PowerUp GPX-850FC power supply unit 850 W 20+4 pin ATX ATX Black

The Chieftec PowerUp GPX-850FC is an 850 W ATX power supply created for desktop PCs. It delivers high efficiency with an 80 PLUS Gold certification, a compact 14 cm length for easier installation in smaller cases, and a fully modular cable system. The unit includes a 120 mm cooling fan and comes with all standard cables: AC, CPU, PCIe, Peripheral (Molex) and SATA.

Advantages

The PowerUp GPX-850FC uses modern full-bridge LLC and DC-to-DC topology to provide tight voltage regulation and low ripple. Its high power density lets it supply up to 850 W from a short 14 cm chassis while maintaining 80 PLUS Gold efficiency. Fully modular, flat black cables simplify cable management and accommodate both compact and large gaming builds.

Suitable for

When it may not be suitable

This PSU may be excessive for very low-power office or home PCs that draw well under half of its rated capacity. Additionally, systems that require specialized PSU features (such as redundant hot-swap capability or non-standard form factors) will need a different unit.

Key specifications

How to use

Install the PowerUp GPX-850FC into a compatible ATX case, aligning the mounting holes and securing the unit with screws. Connect the 20+4 pin to the motherboard and attach the CPU power connector and PCIe cables as required by your components. Use the modular ports to plug only the cables you need, then connect SATA and peripheral drives with the supplied cables. Ensure the AC mains cable is connected to a properly rated outlet and set the input voltage only if the unit has a manual switch (most modern units are auto-ranging).

What to consider before purchase

Recommendations

For reliable operation, position the intake/exhaust of the 120 mm fan according to your case airflow, route cables to avoid obstructing fans, and periodically clean dust filters and the fan to maintain cooling and efficiency.