What is the difference 200 watt power supply and 300

Question

What is the difference with the power wattages on a computer, example 300 watts and 400 watts. anonymous

Answer

This question was answered on November 30, 2004. Much of the information contained herein may have changed since posting.

A 200 watt power supply should be more than sufficient for most computers If you have lots of devices attached that don't have their own separate power supplies then your computer may need a 300 watt supply in order to be able to supply enough power to all of the devices You would need to have a really large number of devices to need 400 watts.

Modern computers draw a lot less power than earlier ones did although Pentium 4s draw more power than other modern processors A lot of USB attached devices can draw their power directly from the computer rather than having their own supplies As attaching lots of USB devices usually requires a hub, you can use a powered hub instead of having to upgrade the power supply in the comput

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Author

Posted by Michael of Katharine Gibbs School - New York on November 30, 2004