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Be Quiet! 400W Pure Power 11 CM PSU, Semi-Modular, Rifle Bearing Fan, 80+ Gold, Cont. Power

Exc. VAT : £ 51.28
Inc. VAT : £ 61.54
5 Years









Exceptionally Quiet, Superior Reliability, Great Value


Pure Power 11 400W CM offers peerless dependability and best-in-class features. Whether you’re assembling a very quiet system, upgrading an existing PC, or building a multi-GPU gaming system, your build will benefit from this PSU that simply has the best combination of features at a very popular price. 
 

  • 80PLUS® Gold efficiency (up to 92%)
  • Two strong 12V-rails
  • Stable operation thanks to Active Clamp and Synchronous Rectifier (SR) technology
  • DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions  
  • Silence-optimized 120mm be quiet! fan
  • Multi-GPU support with two PCIe connectors 
  • Cable management with flat cables for PCIe connectors and drives 
  • Full suite of top safety features 
  • Meets latest Intel® C6/C7, ErP and Energy Star guidelines
  • Supports all Intel® and AMD™ processors
  • 5-year manufacturer’s warranty
  • Product conception, design and quality control in Germany

 

80 Plus Gold Certification 
 
Very high operating efficiency
Pure Power 11 400W is certified 80 PLUS Gold with an efficiency rating of up to 92% – a truly outstanding level for this class of PSU. The most compelling benefit_ lower power consumption and consequently lower costs, and cooler, quieter operation.
 
 
 
 
Power and Compatibility for your System 
 
The best combination of features and performance at a very popular price
Pure Power 11 CM offers 400W of continuous power with two independent 12V rails for signal stability and two PCI express connectors for multi-GPU systems. It is suited to very quiet systems, for upgrading or building multimedia or multi-GPU gaming systems.
 
 
 
 
Innovative Technologies
 
DC-to-DC, Active Clamp and Synchronous Rectifier
The 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.
 
 
 
 
Exceptionally Silent Operation 
 
Achieved by a silence-optimized 120mm be quiet! fan
The 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. 
 
 
 
 
Modular Cable Management with Flat Cables
 
Total convenience and design for your system
Pure Power 11 400W CM is certainly eye-catching. The modular cable management is enhanced with premium black, sleeved cables. The flat cables used for the PCI-express connection and drives simplify installation as well as keeping the system tidy.

Form Factor
Modular
Semi Modular
Series
Be Quiet! Pure Power 11
Compatability
ATX 12V 2.4
Wattage
400 W
Connectors
1 x ATX-Motherboard (20+4-pin) 1 x P4+4 (CPU) 2 x PCI-E 6+2-pin (GPU) 2 x PATA 4-pin 5 x SATA 15-pin (HDD, Drives) 1 x FDD (Floppy)
Rail Design
Dual +12V
AC Input
AC 100-240 V
PFC
Active PFC
Fan Type
120mm Silence-optimized be quiet! fan
#Hide#Fan Bearing
Rifle Bearing
Noise
dB(A) at 20% load_ 9.4 dB(A) at 50% load_ 9.9 dB(A) at 100% load_ 13.9
80+ Certification
80+ Gold
Efficiency
230V, 20% load_ 89.6% 230V, 50% load_ 91.7% E230V, 100% load_ 90.0%
MTBF
100,000 hours
Protection
Over current Over voltage Under voltage Short circuit Over temperature Over power
Features
See Overview
Weight/Dimensions
160 x 150 x 86 mm
Package Weight
2.2300 kg
Warranty