Be Quiet Pure Power 11 400W 80+ Gold Quiet ATX PSU

Silent Power. Reliable Performance. Built for Your PC

If you want a quiet, efficient, and dependable power supply, the Be Quiet! Pure Power 11 400W 80+ Gold PSU is an outstanding choice. Designed for users who value low noise without compromising on performance, this PSU delivers stable power for modern systems, whether you're building a new PC or upgrading an existing one.

With premium German engineering and a reputation for silence, it’s the perfect foundation for a smooth and efficient build.

Why Choose the Be Quiet! Pure Power 11 400W?

This power supply strikes the ideal balance between performance, efficiency, and ultra-quiet operation. It’s engineered for users who want a reliable, energy-efficient PSU with proven durability and minimal noise.

Key Features & Benefits

• 80 PLUS Gold Efficiency:
  Up to 92% efficiency for reduced energy consumption and lower heat output
• Exceptionally Quiet Operation:
  120mm silence-optimised fan ensures near-silent performance
• Dual 12V Rails:
  Provides stable and reliable power distribution for modern components
• Advanced Power Technologies:
  Active Clamp, Synchronous Rectifier (SR), and DC-to-DC conversion for precise voltage regulation
• Multi-GPU Support:
  Includes PCIe connectors for entry-level multi-GPU configurations
• High-Quality Sleeved Cables:
  Improves airflow and keeps your build tidy
• Comprehensive Safety Protection:
  Includes over-voltage, over-current, short circuit, and thermal protection
• 5-Year Warranty:
  Long-term reliability backed by manufacturer support

Technical Specifications

• Power Output: 400W (450W peak)

• Efficiency Rating: 80 PLUS Gold (up to 92%)

• Fan: 120mm be quiet! silent fan (rifle bearing)

• Noise Level: As low as 10.5 dB(A)

• 12V Rails: Dual rails (24A / 20A, combined 384W)

• Form Factor: ATX (Version 2.4)

• Input Voltage: 100–240V

• Cabling: Non-modular, fully sleeved

• Connectors:

  • 1 x 20+4 pin ATX
  • 1 x CPU (4+4 pin)
  • 2 x PCIe (6+2 pin)
  • 5 x SATA
  • 2 x PATA

• Dimensions: 150 x 150 x 86 mm

• Weight: 1.93kg

• Operating Temperature: Up to 40°C

Why It Stands Out

Unlike standard budget PSUs, the Pure Power 11 combines premium efficiency, ultra-low noise output, and advanced voltage regulation technologies. It’s ideal for users who want a quiet, stable system without spending on high-end enthusiast power supplies.

Summary

The Be Quiet! Pure Power 11 400W 80+ Gold PSU is a reliable and ultra-quiet power solution for everyday PCs, gaming setups, and upgrades. With excellent efficiency, strong safety features, and premium build quality, it delivers consistent performance you can trust.