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UK to USA PSU (Possible Moving)

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#1 TheDragonHat


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Posted 11 November 2017 - 04:59 AM

So I'm possibly going to be moving to the USA and I have a UK computer setup, I have two PSU's which I'd like to know about. :)


What I wanted to know is if I can use my PSU over there or if I'll need to get a new one!



PSU: Cooler Master MasterWatt Lite

600 watt Gaming Power Supply





PSU: (Cooler Master MasterWatt Lite

400watt Gaming Power Supply)





Thank you for taking the time out of your day to answer <3 

Edited by TheDragonHat, 11 November 2017 - 05:19 AM.

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#2 rqt


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Posted 11 November 2017 - 05:44 AM

Both those are specifically 230 Volt PSUs so not suitable for use on standard USA power.


UK power is nominally 230V 50Hz (actually 240V)


USA standard household mains is 110V 60Hz (although a 220V supply may be available for some large appliances).


So you need a PSU that accepts 100 to 240 Volt / 50 to 60 Hz input. This spec PSU would then be usable in either the UK or the USA with only a change of power cord (or mains plug) & possibly, depending on PSU, the repositioning of a voltage selector switch.


Such power supplies are widely available, but probably slightly more expensive than the single voltage 230V ones.

#3 Kilroy


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Posted 13 November 2017 - 03:19 PM

I'll second rqt both of those units have an input voltage of 200 to 240v.  Power supplies that will work for both 110v and 220v are available.

#4 britechguy


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Posted 13 November 2017 - 03:36 PM

And just to drive the point home, the advice you've received from the prior two posters is correct.


If this relocation is not expected to be permanent then what makes the most sense is a switchable input voltage PSU, of which there are many.  I've dealt with a number of OEM desktops that came with them, clearly with the idea that they would be sold in both markets.

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#5 jonuk76


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Posted 13 November 2017 - 03:46 PM

I think many of the better quality PSU's with active power factor correction should be usable with a range of voltages.  You don't have to go "top of the range" either.  Look for "AC Input: 100-240v AC 50-60Hz" on the label or in the specs.


Examples - https://www.cclonline.com/product/205075/P1-500B-XTFR/Power-Supplies/XFX-XT-500-500W-80-Bronze-ATX-Power-Supply/PSU1262/




#6 mjd420nova


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Posted 13 November 2017 - 04:47 PM

Look closely at the PS where the plug fits into the case.  There may be a slide switch to change between 110 volt and 220 volt.  Very common here stateside and I assume(yep) it is a standard.

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