Gaming Power Supplies

Power Supply Units for the ultimate gaming PC

The power supply, also known as the PSU (power supply unit), converts the 230V AC from the mains wall socket in your home to the various DC voltages the different components in your PC requires. Power supplies are rated by how much power, measured in watts, they output - however this will not always be constant - for instance, your PC might only need 150W when you’re watching YouTube but could need 500W when you fire up a game. As a general rule its best to choose a power supply with some power to spare. This is because power supplies work more efficiently at medium load levels.

The graphics card is by far and away the most power-hungry components in a PC, so you can use the table below as a guide to what size PSU is right for you. Simply read across the columns till you find the graphics card you own or intend to buy. Don’t forget you also need to leave plenty of headroom for the CPU and other components in the PC too.

NVIDIA Geforce Graphics Card 3050, 3060, 4060 Ti 3060 Ti 3070, 4070 4070 Ti 3070 Ti, 3080, 4080 4090
AMD Radeon Graphics Card 6400 6500 XT 6600 6600 XT, 6650 XT 7600 6700 XT, 6750 XT, 6800 6800 XT, 7900 XT 6900 XT, 6950 XT, 7900 XT
Recommended PSU 350W+ 400W+ 450W+ 500W+ 550W+ 600W+ 650W+ 700W+ 750W+ 800W+ 850W+

Power Supplies

Not sure which power supply is right for you? Read our Power Supplies Buying Guide
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