Be Quiet 400W Pure Power 11 80+ Gold PSU/Power Supply
400W Be Quiet! PURE POWER 11, 80 PLUS Gold, SLI/CrossFire, Dual Rail, 32A, 120mm Fan, ATX PSU
- By DPD On 6th Jul to your specified address. | £5.48 Receive SMS with one-hour delivery window Weekend, timed and European delivery options are available at checkout
- Collect instore Collect from our Bolton store, BL6 6PE | Free
- UPS and DPD Pickup Pickup from local convenience store | £4.79
Pure Power 11 400W 80 PLUS Gold Power Supply from be quiet!

WORLD CLASS QUIET AND EFFICIENCY be quiet! Pure Power 11 raises the bar for systems that demand virtually inaudible operation without power quality compromises. Whether you’re assembling a very quiet system, building a multi-GPU gaming system, or upgrading an existing PC, your build will benefit from this PSU that simply has the best combination of features at a very popular price.
Power and Compatibility for your System

CREATE THE ULTIMATE GAMING PCPure Power 11 offers continuous power with two independent 12V rails for signal stability and four PCI express connectors for multi-GPU systems. It is suited to very quiet systems, for upgrading or building multimedia or multi-GPU gaming systems.
Never Hear Unwanted Noise

EXCEPTIONALLY SILENT OPERATIONThe silence-optimized 120mm be quiet! fan is thermally governed to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality and the almost inaudible operation that be quiet! is famous for.
Pushing the Longevity of Components to a Maximum

HIGH-QUALITY SLEEVED CABLESPure Power is equipped with high-quality sleeved cables that simplify component installation, increase airflow and improve cooling. The All-in-one cable has a convenient easy-plug HDD connector.
Impressively High Efficiency

80 PLUS® GOLD CERTIFIEDPure Power 11 is certified with 80 PLUS® Gold efficiency, reaching up to 92%. This gives less power consumption and a cooler and quieter operation. Truly a benefit for any system.
Compatibility for the Systems of Tomorrow

HIGH-CLASS TECHNOLOGIESThe use of Active Clamp and Synchronous Rectifier technologies provides very stable operation. The PSU is equipped with DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions. This ensures secure operation for next generation processors and graphics cards.