StarTech.com ATXPW350HPCQ, 350 W, 50 - 60 Hz, 5 - LP4 F, 1 - SP4 F, Non-Modular, 100000 h, 8 cm StarTech.com ATXPW350HPCQ. Total power: 350 W, AC input frequency: 50 - 60 Hz. Connector(s): 5 - LP4 F, 1 - SP4 F, Cabling type: Non-Modular. Mean time between failures (MTBF): 100000 h. Fan diameter: 8 cm. Certification: CISPR 22 Class B