Rosewill VALENS-500M Modular Design 80 Plus Gold Certified ATX12V Active-PFC Power Supply 80 PLUS Gold certified to deliver over 90% efficiency Modular Cables ATX 12V V2.3 Ready, supports EPS 12V 2.92 and is backwards compatible with ATX 12V 2.01 Active Power Factor Correction (PFC) with PF value of 0.99 Crossfire and SLI Support Long lasting, ultra-quiet 120mm hydraulic fan Over Current / Voltage / Temperature / Power Protection, Under Voltage Protection, and Short Circuit Protection 3-Year warranty