be quiet! Pure Power 12 1000W ATX 3.1 Power Supply BP005US

What this power supply delivers

The Pure Power 12 is a 1000 W ATX 3.1 unit with 80 PLUS Gold certification and up to 92.9% efficiency. It uses a single 12 V rail and a 120 mm fan for quiet operation. The non-modular design includes a 300 W PCIe 5.1 12VHPWR connector plus two 6+2 pin PCIe cables for high-end graphics cards.

What to verify before ordering

Confirm your case fits a standard ATX 12V power supply and that your motherboard accepts the 24-pin and CPU power cables built into the unit. Because the cables are fixed, ensure you have routing space for all leads, including the native 12VHPWR and the two 6+2 pin connectors. Check that your GPU power requirement matches the 300 W PCIe 5.1 or 6+2 pin options provided.

Behaviour under sustained load

The Gold-rated platform maintains efficiency above 90% across typical loads, reducing waste heat during long sessions. LLC topology keeps the 12 V rail stable when the system draws continuous power. The 120 mm fan speed scales with temperature, so noise stays low even when the supply runs near its 1000 W rating for extended periods.