power supply unit
/ˈpaʊə səplˈaɪ ˈjuːnɪt/
n
English · power supply unit中文 · 电源供应器Español · unidad de grupo de la alimentaciónFrançais · bloc d’alimentation
意味：Device that converts the power system’s alternating current (AC) into direct current (DC) to supply power to the personal computer’s internal components. uninterruptible power supply (UPS)