CORSAIR HX Series CMPSU-520HX 520 W ATX12V v2.2 and EPS12V 2.91 SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC Compatible with Core i7 Power Supply Power Supplies - Newegg.com
Corsair HX620W Semi-Modular PSU 620W Model CMPSU-620HX Power Supply Tested | eBay