How many amps does a 650w psu need?

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callumshaw27

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Nov 21, 2014
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i have mixed up my psu power cable and my monitor cable. i have a 5amp plug and a 13amp plug, which ones is the for the power supply?
 
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callumshaw27

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Nov 21, 2014
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That's what i thought but after doing some research i read that 5amp are enough. Also doing this formula isn't 13amps too much? 650w/270v = 2.4amps

P.S. i could be talking shit as i have little knowledge of watts, voltages and amps.
 
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bignastyid

bignastyid

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Jun 19, 2011
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In the US we use 110v for most things so if a PSU was actually pulling 650w that would be 5.9a. Using a cord rated higher is a good thing not bad. Most LCD monitors use very little power. For example my asus VG248QE uses 22w. You have 2 cables use the higher rated cable on the on the device with the highest draw.
 
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callumshaw27

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I'm in the UK, so are you sure it's the same?


 
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bignastyid

bignastyid

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UK uses 220. That doesn't change the advice to use the higher rated cable on the device with the largest load.
 
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