Seasonic FOCUS GM-550, 550W 80+ Gold, Semi-Modular, Fits All ATX Systems, Fan C 4711173873389 | eBay
Seasonic FOCUS Plus 550 Gold SSR-550FX 550W 80+ ATX12V & EPS12V Full 120mm FDB Fan Compact 140 mm Size Power Supply, Gold Modular FX : Electronics - Amazon.com