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Power Supply
Power Supply Unit
A power supply unit (PSU) takes AC power from an outlet and converts it to clean DC power, usable by your PC. Higher quality PSUs give cleaner power and higher efficiency and have more protections to prevent your PC from catching on fire and burning down your house.
Nearly all modern power supplies are certified with an efficiency rating, typically the "80 Plus" program. "80 Plus" means that the PSU delivers at least 80% of the power taken from the wall, and wastes the rest as heat. The higher the rating (Bronze, Silver, Gold, Platinum, Titanium), the more efficient the PSU, and the less power wasted.
Seasonic, XFX, Corsair, Cooler Master, and EVGA are quality brand PSU manufacturers.
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