Glossary: Computer Hardware Basics
power supply unit (PSU)
Also written: PSU, power supply, wattage
Turns wall power into the steady 12 V, 5 V and 3.3 V the parts use. Size it at the parts' total watts plus about 30% headroom.
Glossary: Computer Hardware Basics
Also written: PSU, power supply, wattage
Turns wall power into the steady 12 V, 5 V and 3.3 V the parts use. Size it at the parts' total watts plus about 30% headroom.