Raidmax 450W ATX12V Power Supply RX-450K SDFP:Scan Disk Free Protection (PS OFF# &gt;2ms) preventing data lost Active-PFC (Power Factor Correction), PF-value up to 0.99 Supports OVP,OCP & SCP (Short-Circuit Protection) Electro Static Discharge (ESD) Protection (up to ~3kV) Fans : 2 x 80 mm