Extremely Quiet 140mm ball-bearing fan decreases 17% noise level. Stable 650W continuous output (at 50°C operating environment). Complies with ATX 12V 2.2 & EPS 12V 2.91 version. Four independent & dedicated +12V rails (12V1,12V2,12V3, 12V4) provide stable and superior performance for PC system (combined loading of 52A). Supports Dual Core CPU and all Multi-Core GPU technologies. Modularized Cable Management to eliminate clutter and improve airflow inside the case. Independent Voltage Circuit: offers unflappable current delivery under heavy load. Strict voltage regulation (±3%): provides steady voltage for system. Active Power Factor Correction (PF>0.99) and high efficiency (up to 85%). Protections: Over Current, Over Voltage, and Short-Circuit protection. Safety / EMI Approvals: CE, CB, TUV, FCC, UL, CUL, and BSMI certified.