Best pc power supply calculator

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  • How much watts should my psu be
  • How many watts should my power supply be for gaming!

    Power Supply Calculator

    Use our PSU Calculator to find the perfect power supply for your PC build.

    Wattage calculator

  • Psu wattage
  • How many watts should my power supply be for gaming
  • Psu tier list
  • How much extra wattage should a psu have
  • Input your components and the calculator will work out the best PSU taking into account the wattage requirements for your specific parts.

    Choosing a power supply unit (PSU) for an upcoming PC build that can handle all the components is vital, but it can be confusing, tedious, and it’s easy to make mistakes.

    That's why we built this PSU wattage calculator to help you calculate what power supply you need. Simply select your processor (CPU) and graphics card (GPU), then choose yes or no to the following questions. The calculator will automatically add a little more wattage to account for any power consumption from fans, RAM, storage, and cooling.

    So, you don’t need to worry about cutting it too close.

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    You’ll then be presented with the CORSAIR PSU for your needs, as well as a more premium option (with higher wattage for more upgradeability if available), and a capable budget version for those looking to save a buck.

    How does the PSU calculator work?

    It’s simple, really

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