
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 …
What is Power Supply Unit (PSU)? - GeeksforGeeks
Jul 23, 2025 · Power Supply Units (PSUs), despite their name, transform power rather than providing it to systems. In particular, a power supply regulates the DC output voltage to the …
What Is a Power Supply? - Computer Hope
Dec 2, 2025 · Explore the role of a power supply unit in powering computer components by converting AC into low-voltage DC. Learn about its parts, safety, and buying tips.
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 …
What Is a PSU? What is an ATX Power Supply? - Lifewire
Jul 28, 2023 · A power supply unit (PSU) converts AC power from the wall into the right kind of power for the individual parts of your computer.
A Complete Guide to PC Power Supplies: ATX, SFX, TFX, & EPS Types
Jul 28, 2025 · Learn about PC power supplies, including ATX, SFX, TFX, and EPS types. Find the right PSU for you, considering efficiency, wattage, and form factors.
What is a PSU (Power Supply Unit)? Explained! - Beebom
Oct 15, 2025 · In this guide, we have explained what is a power supply unit, or PSU, along with its types, power connectors, 80 Plus ratings, and more.
Amazon.com: Computer Power Supplies - Computer Power …
Shop a wide selection of Power Supplies at Amazon.com. Free shipping and free returns on eligible items.
Anatomy of a Power Supply Unit (PSU) - TechSpot
Sep 4, 2025 · While power supply units don't make flashy headlines like the latest CPUs or GPUs, they're seriously cool pieces of engineering. So, let's put on our virtual lab coats and dissect …
What is a PSU: your PC's power system explained - TechRadar
Jun 9, 2023 · 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) …