SKU CMPSU-400CX
Builder Series™ CX400 — 80 PLUS® Certified Power Supply

£59.99 GBP

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The CORSAIR Builder Series™ CX400 delivers worry-free compatibility for your home system build or desktop upgrade, with features usually reserved for premium power supplies.

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The affordable Corsair Builder Series CX400W is not your basic power supply. It features a thermally-controlled 120mm fan for whisper quiet operation and active power factor correction circuitry for clean, reliable power output. The extra long, sleeved cables allow easy integration into a wide variety of cases, and the large number of connectors assures compatibility with nearly all components.

Corsair Builder Series CX400 Features:

  • Supports the latest ATX12V v2.2 standard and is backwards compatible with ATX12V 2.01 systems.
  • Rated up to 400W of continuous power output at 40ºC
  • Extra long fully sleeved cables to support full tower chassis and assist with flexible cable routing.
  • Ultra-quiet 120mm double ball-bearing fan delivers excellent airflow at an exceptionally low noise level by varying the RPM in response to temperature.
  • High efficiency topology to ensure energy savings.
  • 99% Active Power Factor Correction provides clean and reliable power to your system.
  • Universal AC input 90~264V automatically scans and detects the correct voltage. No more hassle of flipping that red switch!
  • Dedicated single +12V rail offers maximum compatibility with latest components
  • Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety to your critical system components.
  • Standard ATX PS/2 size: 5.9"(W) x 3.4"(H) X 5.5"(L); 150mm(W) x 86mm(H) x 140mm(L)
  • MTBF: 100,000 Hours
ATX Connector
1
MTBF hours
100,000 hours
Power
400 Watts
Warranty
Three years
80 PLUS Efficiency
Certified
EPS12V Connector
1
Floppy Connector
2
Modular
No
PCIe Connector
1
SATA Connector
6

By Silent PC Review

Posted on   December 15, 2009

Silent PC Review likes the value behind the CX400W

At $50, an 80 Plus-certified, rock solid power supply that is quiet at low power draw is quite a value and a good candidate for fan modding in a silent PC enthusiast's special project. The CX400W cleanly rounds out the lower-end PSU offerings from Corsair.

Full Review!

By Hardware Heaven

Posted on   January 7, 2009

Hardware Secrets gives the CX400W their Golden Award

Costing only USD 50, it provides an outstanding cost/benefit ratio. If you are building a mainstream PC and are not thinking of installing a very high-end video card you can buy this power supply with your eyes closed.

Full Review!