Buy.com has a Corsair 520W SLI Certified Modular ATX Power Supply for $79.99 after $20 rebate with Free Shipping.
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- Corsair has engineered the HX Series to support even the most demanding of systems. The Corsair CMPSU-520HX incorporates the most advanced technology to deliver reliable, continuous, and efficient power to all critical system components. This is the ideal power supply for high performance and gaming PCs, Audio/Video workstations, and file servers.