What is a Power Supply Unit (PSU)?

A Power Supply Unit (PSU) is an internal IT hardware component. Despite the name, Power Supply Units (PSU) do not supply systems with power - instead they convert it.
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What is a PSU (Power Supply Unit)? Explained!

Anatomy of a Power Supply Unit (PSU)

Power supply unit (computer) - Wikipedia

This 300W Delta Power Supply Unit from QNAP is designed to work with select NAS enclosures. This 300W PSU can be used to replace damaged or worn out

QNAP 300W Delta Power Supply Unit

What is a PSU (Power Supply Unit)? Explained!

Some Basics You Should Know about Power Supply Unit - MiniTool

Dell OptiPlex SFF 235W Power Supply FR610

Amiga PSU - Power supply unit PSU for Commodore Amiga A500 A600 A1200

Asia New Power New 220W Power Supply Unit PSU for HP Pavilion Slimline S5 Series s5-1110d PC Sing s5-1002la S5-1010 s5-1024 PC LTNA TouchSmart