TOPOWER TOP-400WB 400 W ATX12V/EPS12V 80 PLUS Bronze power supply

400 W ATX12V/EPS12V Bronze unit

The TOPOWER TOP-400WB delivers 400 W of continuous power through a single +12 V rail and carries 80 PLUS Bronze certification. It fits standard ATX12V and EPS12V layouts and includes Active PFC for efficient operation across 100-240 V input. A single 80 mm fan handles cooling inside the 140 mm deep chassis. Non-modular cabling keeps the build simple for first-time assemblers.

Suits basic desktop and entry-level GPU builds

This unit works for office PCs, home servers or budget gaming rigs that need one mid-range graphics card via the two 6+2 pin PCIe connectors. Six SATA power plugs support multiple drives. Builders planning multi-GPU setups, high-core-count workstations or systems requiring modular cables should look at higher-capacity or fully-modular alternatives instead.

Straightforward ATX installation with fixed cables

The 150 x 140 x 86 mm housing mounts in any standard ATX case using four screws. The 20+4 pin main connector, CPU 4+4 pin and peripheral leads are permanently attached so there are no loose cables to route. Over-voltage and overload protection engage automatically. The only common issue is cable length in full-tower cases where the fixed harness may fall short of bottom-mounted drive bays.