Power Supplies

Available at TigerDirect, Ultra LSP750 750-Watt Power Supply (model ULT-LSP750) features 750-Watt power, ATX form factor, manual 130v & 220v switching, 135 mm quiet fan, SLI-Ready, 20+4 Pin motherboard connector, 4 SATA connectors, 2 PCI-Express connectors, 80% energy efficiency, more. Comes with a Lifetime Warranty.

List Price:  $119.99

Get it today for: $69.99 + Free shipping

Available at CompUSA, Ultra X4 850-Watt Modular ATX Power Supply features 850 Watt continuous power, NVIDIA SLI and ATI Crossfire Certified, 135mm silent fan, 24-Pin Motherboard, PCIe, Peripheral, SATA and Floppy connectors, modular design, ATX form factor, 80 PLUS Silver energy efficiency certified. Lifetime warranty with free online registration (3 years otherwise).

List Price:  $249.99

Get it today for: $199.99 + Free shipping

Available at newegg.com, Antec earthwatts EA500 500W Continuous Power "Compatible with Core i7/Core i5" Power Supply features 20+4Pin Main connector, 2 +12V Rails, low-noise 80mm fan. Compatible with the ATX12V v2.0 standard, the Antec earthwatts EA500 provides maximum power stability to drive the latest Intel and AMD processors.

Click to visit the store

List Price:  $89.99

Get it today for: $69.99 + Free shipping

Available at newegg.com, ETASIS ET750 750W Power Supply features True 750W stable power with Maximum peaks of 850W, ball bearing fan, 4 +12V Rails, SLI Certified, CrossFire Ready, 24Pin Main Connector.

Click to visit the store

List Price:  $109.99

Get it today for: $49.99 + Free shipping

Available at newegg.com, CORSAIR CMPSU-650TX 650W Power Supply features 650W Maximum Power, NVIDIA SLI Certified, compatibility with the ATX12V v2.2 and EPS12V standards, a 120mm variable speed fan. SLI Ready, CrossFire Ready, 80 PLUS Certified. Compatible with Core i7 processors.

Click to visit the store

List Price:  $159.99

Get it today for: $88.99 + Free shipping after $10.00 Mail-In Rebate