Newegg offers the Cougar 400-watt PFC ATX 12-volt Power Supply Unit
, model no. RSB400, for $49.99. This $10 mail-in rebate
drops it to $39.99
. With $3.95
for shipping, that's the lowest total price we could find by $6. This 80-PLUS certified power supply features up to 85% efficiency, four SATA connectors, and one 12cm fan. Deal ends July 20.