Question Will a american psu lose performance plugged into a eu outlet?

Aug 14, 2020
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Ok, so im building my first computer, and ive bought a american/canada outlet one. But the thing is, i live in the eu where we have 240v instead of 115v. It says it will work with 240v, but i was wondering if i will have any performance issues with it.
Here's the pc specs:
msi gamingx rx580
ryzen 5 2600
8gb ram at 3000hz
250gb ssd
550watt silverstone psu
gigabyte A320m-s2h
darkflash pc case
Thank you!
 

ScrewySqrl

Champion
Moderator
it will be a little less power efficiecient, but should work fine. they don't make different psus for different regions. A Long while back there was a switchg to change between 110/120v and 240v, but now its all handled on a chip that detects the incoming power and adjusts appropriately.
 
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it will be a little less power efficiecient, but should work fine.
That's backwards. Higher mains power means lower current which is actually cause for better efficiency.

they don't make different psus for different regions.
Actually, they do. They're just really cheap garbage. They either have no PFC or passive PFC for low line ~115V). They take out the voltage doubling circuit, switch, etc. to save cost. I remember the original Ultra X-Connect was like that.

For high line, they just use an anemic primary side for "230V only" regions. Essentially, a "230V only" 600W PSU has a front end equivalent to a full range 300W.

A Long while back there was a switchg to change between 110/120v and 240v, but now its all handled on a chip that detects the incoming power and adjusts appropriately.
Actually, there are still a lot of garbage PSUs without PFC that have the switch on the back still. Especially those that are included with cases.

https://www.newegg.com/evga-400-n1-100-n1-0400-l1-400w/p/N82E16817438038
https://www.newegg.com/thermaltake-tr2-tr-500-500w/p/N82E16817153165
https://www.newegg.com/raidmax-xt-series-rx-400xt-400w/p/N82E16817152061
https://www.newegg.com/apevia-sfx-ap300w/p/N82E16817148062
https://www.newegg.com/logisys-computer-ps550abk-550watts/p/N82E16817170010
https://www.newegg.com/apevia-atx-vs450w/p/N82E16817148053
 

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