graphics card psu power requirement

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Karthik Endhiran

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Apr 13, 2014
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i recently sax a graphic card with recommended power requirement of 600w.should i buy a 600w psu or a higher one (770w,750w).or sholud i go ahead with the current 450w psu i have.card is gtx 770 4gb
 
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maxiim
You can get away with a 550W PSU with a 770 if you have the usual single GPU, slightly OCed CPU, ssd and couple of HDDs. However having said that the PSU must be a top quality unit, the reason the requirements are usually quite high is so vendors and manufacturers can cover their behinds if you use a cheap PSU. Below is a link to a thread that shows you PSUs by tier of quality, tier 1 being best.

http://www.tomshardware.com/answers/id-1804779/power-supply-unit-tier-list.html
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maxiim

maxiim

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Oct 28, 2009
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You can get away with a 550W PSU with a 770 if you have the usual single GPU, slightly OCed CPU, ssd and couple of HDDs. However having said that the PSU must be a top quality unit, the reason the requirements are usually quite high is so vendors and manufacturers can cover their behinds if you use a cheap PSU. Below is a link to a thread that shows you PSUs by tier of quality, tier 1 being best.

http://www.tomshardware.com/answers/id-1804779/power-supply-unit-tier-list.html
 
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