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. Some power supplies have a manual switch for selecting input voltage, while others automatically adapt to the main voltage.
What is Power Supply Unit (PSU)? - GeeksforGeeks
2023年12月20日 · 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 precise tolerances needed for contemporary computing components in addition to converting the alternating high voltage current (AC) into direct current (DC).
Power Supply Unit (PSU) - Definition & Detailed Explanation ...
2024年5月30日 · What is a Power Supply Unit (PSU)? A Power Supply Unit (PSU) is a crucial component of a computer system that converts electrical power from an external power source into usable power for the internal components of the computer.
What Is a PSU? What is an ATX Power Supply? - Lifewire
2023年7月28日 · A power supply unit (PSU) converts AC power from the wall into the right kind of power for the individual parts of your computer.
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...
What is a PSU (Power Supply Unit)? Explained! - Beebom
2023年12月19日 · The power supply unit, or PSU, is an important hardware component that powers your computer system. For users building their own PCs, they tend to place a lot of focus on flashy and visible components while overlooking the PSU despite its importance.
What is a power supply unit (PSU): Form Factors, Differences ...
A power supply unit (PSU) is a type of computer hardware that converts mains AC (alternating current) to low-voltage regulated DC (direct current) power for the internal components of a computer system. It is an essential component that provides the necessary power to all other hardware components, enabling them to function properly.