Able to run any GPU or ASIC server equipment with PCI-E power connectors requiring 12V power input. 93% efficiency, independently confirmed with 80 Plus Gold* certification. Independently confirmed quality and conformity: UL (R), CB, FCC, CE, RoHS certifications**. 1.2% failure rate average in real life. All possible protections for equipment: UVP, OVP, OPP, OTP, OCP, SCP. Bitmain APW7 has only four, APW 3++ five. PSU-1007, PSU-1607, PSU-1807, PSU-2007, PSU-2207 are built to work on 277V*** (200-280VAC). On/Off switch.