
PSU
A Power Supply Unit (PSU) is a device in a computer that converts the electricity from your wall outlet into the correct type and amount of power needed for the computer's components. It ensures stable and reliable energy delivery, protecting sensitive parts like the CPU and graphics card from power surges or fluctuations. Essentially, the PSU acts as the computer’s power manager, providing clean, consistent electricity to keep the system running smoothly. Its capacity is measured in watts, indicating how much power it can supply to all connected components simultaneously.