Power supply unit (computer) - Wikipedia
A power supply unit (PSU) converts mains AC to low-voltage regulated DC power for the internal components of a desktop computer. Modern personal computers universally use switched-mode power supplies .
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MSI MAG A850GL PCIE 5.1 & ATX 3.1 Gaming Power Supply - Full Modular - 80 Plus Gold Certified 850W - Compact Size - ATX PSU - 10 Year Warranty
What is a PSU: your PC's power system explained - TechRadar
2023年6月9日 · PSU stands for Power Supply Unit, and it is the part of a PC responsible for converting the alternating current (AC) power from an electrical outlet into direct current (DC) power that...
Best Power Supplies of 2025 - Top PSUs for Gaming PCs - Tom's Hardware
2025年1月2日 · The power supply unit (PSU) is the backbone of your PC’s reliability, directly influencing system stability and longevity.
PC Power Supplies - Shop PSUs | Newegg
Explore our extensive selection of reliable PC power supplies & upgrade the stability of your system. Shop PSUs for high-performance PCs & gaming rigs.
Power Supplies: Computer Power, Computer Parts - Best Buy
Your computer’s power supply distributes power to all of the computer components. It converts the alternating current (AC) coming from an outlet to a steady direct current (DC) that serves the computer’s motherboard, RAM, CPU, internal hard drives and other components.
How to Choose the Best PC Power Supply - PCMag
2021年9月21日 · Whether you're upgrading your desktop PC or building one out from scratch, here's what you need to know about finding the right PSU, including standards, form factors, and cabling.
Computer Power Supplies - Newegg.com
Make your home-built PC energy efficient with the right computer power supplies. Go with a modular setup for extra flexibility with server models for networks.
Here’s everything you need to know about the heart of a PC, the PSU
2023年3月1日 · A power supply unit (PSU) is a critical component in a computer system responsible for delivering a stable and reliable power source to all the other components.
What Is a PSU? What is an ATX Power Supply? - Lifewire
2023年7月28日 · The power supply unit is the piece of hardware that converts the power provided from the outlet into usable power for the many parts inside the computer case. It converts the alternating current from your wall outlet into a continuous form of power called direct current that the computer components require.