?Professional Supply?This power supply is rated 1800 watts. single fan multi-channel power supply supports 8 high-end graphics cards.(; Input Voltage of 220V: 1800W, 150A) ?PFC?This power supply adopts an active PFC circuit, Compared with passive PFC, its input voltage can be from 164v to 264V, while ordinary passive PFC power supplies cannot work when the voltage is lower than 180V? Over Voltage Protection?Perfect function for protecting Miners, when circut is malfunction or power supply has higher inside temperature, it will shut off automatically to protect antminer? Adaptation model?Perfect Design for Antminer S9, Z9mini, Z9, L3++, D9, T9 and other brand miners