Antec TruePower Trio 550. AC input voltage: 100 - 240 V, Efficiency: 85 %. Weight: 2000 g. Mean time between failures (MTBF): 80000 h. Certification: UL/CUL/FCC/TÜV/CE/C-tick/CCC/CB. Operating temperature range (T-T): 10 - 50 °C