Available at newegg.com.  Thermaltake Purepower W0121RU 600W ATX12V V2.0 SLI Ready CrossFire Ready Power Supply. With two 6-pin PCI-E connectors, the Thermaltake Purepower W0121RU is ideal for building up a SLI or CrossFire gaming system.

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List Price:  $94.99

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Get it today for: $49.99 + Free shipping