SeaSonic SS-400H2U-80+ 400W Single Server Power Supply (80 Plus certified), New
Active Power Factor Correction: 99 % (typical). Efficiency (100 V AC - 120 V AC, full load): 80 % (typical). 80 Plus certified. Efficiency (220 V AC - 240 V AC, full load): 83 % (typical). Load regulation: ± 5 % (typical).