Newegg discounts a selection of power supplies via the coupons and mail-in rebates listed below. Plus, all items bag free shipping. The deals, with prices after applicable coupons and rebates:

• EVGA 700-watt 80 Plus Bronze ATX Power Supply for $39.99 after "EMCEGET46" and $20 rebate (pictured, ends 2/8, low by $20)
• Corsair RM750 750-watt 80 Plus Gold ATX Power Supply for $74.99 after "EMCEGET37" and $20 rebate (ends 2/6, low by $30)
• Corsair RM850X 850-watt 80 Plus Gold ATX Power Supply for $109.99 after $20 rebate (ends 2/10, low by $43)