Switching Power Supply: Provide Continuous Full 200 watt， 250watt, 300watt, 350watt, 450watt, 550watt Supportable: IntelP4, PIII, PII, Celeron all series CPU; AMD Duron, Athlon, Athlop XP, K6-2 Series CPU;Cyrix VIA all Series CPU PG signal wide voltage design, prevent damaging of re-seting, not working by unstable voltage 100 percent ATE test,100 percent high temperature burn in test Super lower noise & ripple design, continuous 60000 work-hour without interrupt Approved: 3C certification and CE, FCC Multiple system protection circuit: over voltage, over current, over load, short, prevent to CPU, mother board and hard disk from damaging by unstable voltage Intelligent temperature controlled cooler design 20container: 9500Pcs