mwave offers the Dynapower 500-watt 2U Server Power Supply
, model no. SS-2U50ES, for $128.99
with free shipping
. That's the lowest total price we could find by $10. This 80 Plus Bronze-certified PSU is designed to fit into a 2U rackmount chassis and features triple circuit protections, a 60mm DC fan, two Serial ATA connectors, and more.