Linkworld LPK2 ATX 12V 500W Computer Power Supply HIGH QUALITY, LOW FAILURE AND LOW COSTING EFFICIENCY: 65 TYPICAL, FULL LOAD CONDITION POWER GOOD SIGNAL: ON DELAY TIME 100~500 ms, OFF DELAY TIME 1ms HOLD UP TIME: 16ms AT 25 C FULL LOAD CONDITION AT 230V AC INPUT OPERATING TEMPERATURE RANGE: 0C~50C