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Not sure what type of Motherboard do you and waht video are you going to use and what memory us use .. basically what wattage your system need as minuim via their manual then I would add 50% more wats to make it stepped up not to dies out quickly then finially decide what powersupply have equal or more watts to what i calculated then but best one that is most cost efcective .. with a good warrenty included.

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12y ago
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12y ago

When buying a PSU, you need to take into account how much energy your computer's actually going to need:

- The Graphics Card is going to be your biggest drain (if you have a separate graphics card)

- A powerful Processor will need a lot of power

- The more fans you have, the more power you need

Essentially, each component will have a requirement, and that should be stated on the packaging/website e.t.c. Check that, and make sure that whatever that adds up to, your PSU gives that and then a little bit more (you don't want the PSU being pushed to its limit)

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15y ago

The higher the better really. In actuality anything over 400 watts should be fine unless you plan on having a lot of extra toys.

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14y ago

Alternating current.

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Q: What is the best power supply rating for a computer?
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