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Question:

What type of computer power cable is needed to support a 400W PSU?

I have lost the power cable which came with my computer's PSU and after looking online for a while the online shops seem to sell the power cables with little information about whether or not they will function with different PSUs so I am guessing it doesn't matter which one I buy.

Answer:

Any three prong power cable will work. You can buy them at Wal-mart, Radio Shack, Best buy. $10 to $15 at the most
as long as it fits it should work fine
They are not special just a kettle lead really and should cost less than $5 as said if it fit it is good, look around you probably have one lying around
minimum watt PSU could desire to be ok given which you do no longer plan on including any peripherals as nicely the basics (a million no longer elementary tension and a million optical tension) and that video card... yet once you have 2 no longer elementary drives or connect a super variety of extra desirable USB units that leech ability out of your device, then you definately will want to have somewhat extra desirable overhead just to be risk-free. 500W or extra useful could desire to be lots. Get one with a minimum of two 12V rails and you may desire to be advantageous.
The standard 3-prong PC power cables are universal. Many other devices also use them (monitors and old laser printers, fax machine etc). Any one would work.

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