Newegg offers the Corsair CSM Series 450-watt ATX Active PFC Power Supply, model no. CS450M, for $59.99. This $30 mail-in rebate cuts it to $29.99. With free shipping, that's the lowest total price we could find by $40, although we saw it for $6 less in August. This 80 PLUS GOLD-certified PSU features features a 120mm fan and four serial ATA power connectors. Rebate ends October 23.