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Upgrade Dell Dimension 8300 PSU to 400w

Last response: in Graphics & Displays
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Graphics card Expert

If it would fit a 1000W PSU would work fine in it. You can not damage a computer from having a large power supply.

The only way a power supply will damage a system is if the voltages are out of specs. If the 12V goes to 15V or if the PSU has a power spike.

You could damage your system if you use a PSU that is too small. It could burn up and take out other components.
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