Newegg offers the EVGA SuperNOVA 850 B2 850-watt ATX Power Supply, model no. 110-B2-0850-V1, for $89.99. This $20 mail-in rebate cuts it to $69.99. With free shipping, that's the lowest total price we could find by $27. This 80 PLUS Gold-certified power supply features six PCI-Express connectors, 10 SATA connectors, and one ATX connector. Rebate expires December 22.

Also available is the EVGA SuperNOVA 1300 G2 1,300-watt ATX Power Supply, model no. 120-G2-1300-XR, for $169.99. This $30 mail-in rebate cuts it to $139.99. With free shipping, that's tied with our September mention and $15 under the best via-rebate price we could find elsewhere. This 80 PLUS Gold-certified power supply features six PCI-Express connectors, 12 SATA connectors, and one ATX connector. Rebate expires December 24.