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Black rectangular ATX power supply with mesh side panel and 140mm fan

be quiet!

be quiet! BP030US 1200W ATX12V 3.1 power supply

SKU CH-MT5V-XJVN0 MPN BP030US

Delivers 1200W ATX12V 3.1 power with 80 Plus Platinum and Cybenetics Platinum efficiency, semi-passive zero-RPM cooling via a 140mm fan, two 90° angled 12V-2x6 connectors and PCIe 5.1 compatibility

  • Max wattage1200 W
  • Fan configuration1 × 140 mm
  • Power factor correctionActive
  • Main power connector20+4Pin
  • Power good signal100-500 ms
  • Efficiency certification80 PLUS PLATINUM Certified
  • Up to 94.3% efficiency with 80 PLUS and Cybenetics Platinum certification
  • Zero-RPM semi-passive cooling keeps the unit silent under low load
  • Pure Wings 3 140 mm fan runs 2-5 minutes after load to prevent restart noise
  • Two 90° angled 12V-2x6 connectors support PCIe 5.1 and ATX 3.1 builds
  • Single 12 V rail with LLC regulation delivers stable power to demanding components

1200W ATX12V 3.1 power supply

The be quiet! BP030US delivers 1200 W through a single 12 V rail, meeting ATX12V 3.1 and PCIe 5.1 specifications. It targets high-end gaming and workstation builds that demand stable, high-wattage power. Two 90° angled 12V-2x6 connectors simplify cable routing for modern graphics cards.

Semi-passive zero-RPM cooling

A 140 mm Pure Wings 3 fan stops completely at low load for silent operation. When active, it continues running for two to five minutes after load drops to prevent frequent start-stop cycles. Dual 80 PLUS Platinum and Cybenetics Platinum ratings certify up to 94.3 % efficiency across typical loads.

Sustained load stability through LLC regulation

LLC resonant topology provides tight voltage regulation during prolonged heavy workloads. The single massive 12 V rail maintains consistent output without multi-rail balancing overhead. Active PFC and a 100-500 ms power-good signal ensure clean, reliable power delivery throughout extended sessions.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $166.99
Pricier than about 56% of the 10,869 comparable items (median $142.99).
Max wattage 1200 W
Higher than about 90% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand namebe quiet
Model nameBP030US
Part numberBP030US
Product colorBlack
Product typeATX12 V 3.1
Power
Max wattage1200 W
Power factor correctionActive
Main power connector20+4Pin
Power good signal100-500 ms
Efficiency certification80 PLUS PLATINUM Certified
Supply voltage100–240 V
AC input frequency50/60 Hz
Size & build
Product dimensions160 × 150 × 86 mm
Shipping weight3.67 kg
Package size330 × 249 × 102 mm
More details
Fan configuration1 × 140 mm

Questions about this item

How do I install the 12V-2x6 connectors and what step is often missed?

Route each 90° angled 12V-2x6 cable to the GPU, seat both plugs fully until the latch clicks, then verify the PSU side is locked into the correct PCIe 5.1 port; the angled heads can feel seated before the latch actually engages.

What maintenance will the Pure Wings 3 140mm fan need later?

The 140 mm fan uses a rifle bearing; clean dust from its blades and the mesh intake every 6-12 months with low-pressure air, and expect the semi-passive zero-RPM mode to keep the fan off at low load, reducing wear.

What limit appears first during sustained full-load operation?

The single 12 V rail delivers the full 1200 W, so the first constraint is thermal — the 140 mm fan must spin up from zero-RPM and maintain airflow through the 160 x 150 x 86 mm chassis to keep efficiency near 94.3%.

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