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A 450W power supply unit (PSU) is a common choice for mid-range desktop computers, providing enough power for general office use, home entertainment systems, and entry-level to mid-range gaming PCs
A 450W PSU converts AC power from a wall outlet to DC power for computer components. The 450W rating signifies the maximum continuous power output. Modern PSUs are rated by the 80 PLUS certification program for efficiency, with an 80 PLUS Bronze 450W unit being at least 82-85% efficient, reducing wasted energy and heat. Most 450W PSUs use a standard ATX form factor. Quality units include safety features like OVP, OCP, and SCP
