CORSAIR CMPSU-450VX 450W ATX12V V2.2 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply - Retail $69.99 shipped +$20 mailin rebate @ Newegg.com

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Original Price: $79.99
You Save: $10.00
$69.99
($49.99 after $20.00 Mail-In Rebate Card pdf )
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Quote from site: All the fancy components you install in your system won't matter if you don't have a PSU that delivers clean, consistent power. That's where Corsair comes in with their 450VX. This single rail design can pump out 33A/396W of +12v power for all your power hungry components. Certified 80 Plus, this unit runs at up to 85% efficiency and 99% Active Power Factor Correction to provide clean reliable power to your system.

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