Is a 700-750W power supply enough for my PC?

As a rough guide, 700 to 750W comfortably runs most mid-range gaming builds. Leaving some headroom keeps the unit cool and quiet.

What graphics card does a 700-750W PSU pair with?

Size the PSU around the graphics card, since it is the biggest draw. A 700-750W unit works with mid-range cards, but always check the card maker's recommended wattage and that the PSU has the right power connectors, including the 12V-2x6 (12VHPWR) plug on newer Nvidia cards.

Should I get more wattage than I need?

A little headroom is sensible, because it keeps the PSU running cool, quiet and efficient, and leaves room for a future upgrade. There is no need to go wildly over the top, so pick a wattage that covers your parts with some margin and choose a reputable 80 Plus rated unit.

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