A PC power supply won’t boost your frame rate, but it will make sure everything in your PC is safe, secure, and running efficiently. Pricier, higher-wattage units tend to be some of the best, but you can also denote quality from a power supply’s efficiency rating. Corsair RM1200X ShiftMost Versatile Power SupplyCorsair RM1200X Shift 0 Enjoy easier installation with this power supply that moves the fully modular power connectors to the side. Its Platinum rating means this is a really strong power supply, ensuring you aren’t wasting much power, no matter how hard you push it. PC Power Supply FAQWhat do PSU efficiency ratings mean?