Newegg offers the Corsair CX Series 600-watt ATX Power Supply (pictured), model no. CX600, for $34.99, via the directions below. With free shipping, that's the lowest total price we could find by $25 and tied with our July mention. This 80 PLUS BRONZE-certified PSU features a 120mm fan, two PCI Express, and six serial ATA power connectors. Rebate expires December 28. To get this price:
  1. View the Corsair CXM Series 600-watt ATX Power Supply for $64.99
  2. apply coupon code "EMCWHHG46" cuts it to $54.99
  3. redeem this $20 mail-in rebate for the final price of $34.99
Also available is the EVGA 80 Plus Bronze 500-watt Power Supply, model no. 100-B1-0500-KR, for $34.99. This $10 mail-in rebate cuts it to $24.99. With free shipping, that's tied with our mention from three weeks ago and the lowest total price we could find by $18. It features two 6+2 PCI-E connectors and a purported 80% efficiency rating under standard loads. Deal ends December 25.

Update: Specs corrected.