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TOPOWER
TOPOWER TOP-400WB 400 W ATX12V/EPS12V 80 PLUS Bronze power supply
A 400 W ATX12V/EPS12V power supply with 80 PLUS Bronze certification, active PFC, single +12 V rail, two PCIe 6+2 pin connectors and six SATA power connectors
- ColorBlack
- TypeATX 12V / EPS 12V
- Maximum Power400 W
- Fans1
- PFCActive
- Main Connector20+4 Pin
- 80 PLUS Bronze certification reduces energy waste
- Single +12V rail delivers stable power to components
- 20+4 pin main connector fits standard ATX motherboards
- Two 6+2 pin PCIe connectors support modern graphics cards
- Six SATA power connectors supply multiple drives
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.
Points forts
- 80 PLUS Bronze certification reduces energy waste
- Single +12V rail delivers stable power to components
- 20+4 pin main connector fits standard ATX motherboards
- Two 6+2 pin PCIe connectors support modern graphics cards
- Six SATA power connectors supply multiple drives
Caractéristiques
| Brand | TOPOWER |
|---|---|
| Model | TOP-400WB |
| Color | Black |
| Type | ATX 12V / EPS 12V |
| Maximum Power | 400 W |
| Fans | 1 |
| PFC | Active |
| Main Connector | 20+4 Pin |
| +12V Rails | Single |
| PCI-Express Connector | 2 x 6+2 Pin |
| SATA Power Connector | 6 |
| Haswell Support | Ready |
| Max PSU Length | 140 mm |
| Modular | No |
| Energy-Efficient | 80 PLUS BRONZE Certified |
| Over Voltage Protection | Yes |
| Overload Protection | Yes |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 50/60 Hz |
| Power Rating | 400W |
| 12V Power Connector | 1 x 4+4 Pin ATX/EPS 12V |
| Floppy Connector | 1 |
| Peripheral Connector | 6 |
| Fans Total Quantity | 1 |
| Rear Fans Size | 80mm |
| Poids d’expédition | 1.36 kg |
| Dimensions du colis | 254 × 203 × 102 mm |
Questions sur cet article
Does my case need to accept a 140 mm long ATX power supply for the TOP-400WB to fit?
Yes, the unit is 140 mm deep, so the case must support at least that length for a standard ATX PSU.
Can I keep my older motherboard that only has a 20-pin main power socket?
The 20+4 pin main connector splits to 20 pins, so it will plug directly into a legacy 20-pin motherboard socket.
How can I verify the 80 PLUS Bronze efficiency is active after installation?
Under typical loads the PSU should draw roughly 15–20 % less AC power than an uncertified 400 W unit, which you can confirm with a plug-in power meter.
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