What is a Power Supply Unit (PSU)?
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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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![](https://www.moddiy.com/product_images/v/192/Corsair_Type_5_Power_Supply_Unit_PSU_Mini_Modular_Connector_3mm_Pitch__86565_zoom.jpg)
Corsair Type 5 Power Supply Unit PSU Mini Modular Connector 3mm Pitch - MODDIY
![](https://c8.alamy.com/comp/R5NC79/black-computer-power-supply-unit-psu-with-messy-cables-on-isolated-white-background-R5NC79.jpg)
Black computer power supply unit psu with messy cables on isolated white background Stock Photo - Alamy
![](https://beebom.com/wp-content/uploads/2023/02/psu-feat-image-expaliner.jpg?w=750&quality=75)
What is a PSU (Power Supply Unit)? Explained!
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Dell F4284 - 350W ATX Power Supply Unit (PSU) for Dell Dimension 4600 4700 8400 8000 GX280 - CPU Medics
![](http://lys-sz.com/cdn/shop/products/WhatsminerP222BPowerSupply_1.jpg?v=1680056313)
Whatsminer Brand New P222B Power Supply Unit PSU – LYS Shenzhen
![](http://www.servethehome.com/wp-content/uploads/2011/01/Non-Redundant-versus-Redundant-PSU-Backplanes.jpg)
Redundant Power Supply Units (PSUs) - How They Work - An Overview
Authentic Genuine Dell Original Equipment Manufacturer (OEM) Product Switching Power Supply Unit Slim DESKTOPS DT FF (NOT Small Form SFF) DTFF
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Genuine OEM Switching Power Supply Unit PSU For DELL Vostro 200s 220s 230s 260s 400s Slim DT fY9H3 375CN 6MVJH 76VCK 7GC81 CYY97 PS-5251-08D Slim
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Some Basics You Should Know about Power Supply Unit - MiniTool
Comes with 1-Year Overland Warranty. Contact us for more warranty options. The Overland Tandberg NEO XL Power Supply Module is a redundant,
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OV-NEOxl40PWR Redundant Power Supply Unit (PSU) for NEO xl40
![](https://beebom.com/wp-content/uploads/2023/02/24-pin-mobo-connector.jpg?w=640)
What is a PSU (Power Supply Unit)? Explained!