The Smart W3 series is certified by 80 PLUS efficiency and designed to meet ATX 3.1 standards, offering 500W, 600W, and 700W options. It's perfect for budget-conscious users seeking an efficient and reliable entry-level power supply, backed by a solid 5-year warranty. Ultra-quiet 120mm cooling fan delivers excellent airflow at an exceptionally low noise level. •P/N: PS-SPW-0600NNFAWU-1 •Model: SP3-600AH2NLW •Type: Analog •Watts: 600W •Color: Black •Dimensions: 150mm(W)x86mm(H)x140mm(D) •PFC (Power Factor Correction): Active PFC •Power Good Signal: 100-150 msec •Hold Up Time: 17msec at 80% load •Input Current: 12A - 6A •Input Frequency Range: 50Hz/60Hz •Input Voltage: 100-240V～ •Operating Temperture: 5°C to + 40°C •Operating Humidity: 20% to 85% •Storage Temperture: -40°C to + 55°C •Storage Humidity: 10% to 95% •Cooling System: 12cm FDB Fan •Efficiency: Meet 80 PLUS® at 115Vac input. •MTBF: 100 •Safety Approval: CB/FCC/cTUVus/ICES/UKCA/CE/LVD/RCM •PCI-E 6+2PIN: 2 •Protection: OCP/OVP/UVP/OPP/OTP/SCP