What is a PSU?
A PSU, or power supply unit, is a crucial component of a computer that converts the electrical power from an outlet into usable power for the internal components of the PC. It ensures that the correct voltage and current are delivered to parts like the motherboard, CPU, GPU, storage devices, and fans, enabling the system to operate safely and efficiently. There are different types of PSUs, including modular, where cables can be detached and connected as needed to reduce clutter and improve airflow inside the case, and non-modular, where all cables are permanently attached to the unit. The choice of PSU affects the reliability, power efficiency, and upgrade potential of a computer system.
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