Newegg.com is currently offering the Corsair 400W 80 Plus Certified Power Supply (model no. CMPSU-400CX) for the low price of $49.99, with a $15 mail-in rebate also available that drops it down to $35.That makes it $30 less than its original $64.99 price and the lowest cost we have seen for this power supply by about $20. FREE shipping is included and sales tax applies for residents of California, New Jersey, New York and Tennessee.

The Corsair 400W comes recommended by over 85% of its owners, but has the rare issue mentioned of it failing within a month of arrival. Upgrade to the Antec EarthWatts 650W Power Supply at Direct.com which is one sale for $68.99 and has shipping rates starting at $12.33. PCconnection.com has the True Power 750W Power Supply currently priced at $136.15, or for about $44 more head back to Newegg.com for the Corsair 850W Power Supply which is available for only $179.99; both items with FREE shipping included. Lastly, Amazon.com has lowered the cost of the Cooler Master UCP Series 1100W CrossFire Ready Power Supply by 10%, turning its $229.99 list price into $206.67 and includes FREE shipping.

The Corsair 400W power supply has a maximum power output of 400W, a 120mm double ball-bearing fan, and high efficiency topology to ensure energy savings. Features include 99% active power factor correction, universal AC input that automatically scans and detects correct voltage, dedicated single +12V rail, and over current/voltage/power protection.  It also provides 6-SATA, 6-Peripheral and 2-Floppy connectors. Dimensions: (H) 3.4" x (W) 5.9" x (D) 5.5"