1.Quality Certification: CCC/CE/FCC/ROHS 2 ... power supply6.A practical choices of mainstream processor7.High reliability8.Multiple protection function: OVP(Over Voltage Protection ... and SCP (Short Circuit Protection)9. MTBF>50,000 hours at 2510. 180W, 200W, 230W, 250W , 300W ,400W ... are available Specification:Input / Output:Input: 115-230V (Manual select, international compatible)Output: +3.3V/28A +5V/ ...