Wattage Requirement (+PSU Recommendations)

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ksham

ksham

Splendid
Mar 29, 2013
8,398
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CPU - 125W.
GPU - 200W.
Motherboard - ~80W.
HDD - 30W.

Factoring in a bit for the others, you will need a 500-550W PSU with at least 38A in +12V rail. The one you have is fine. I would recommend a XFX 550W, which is affordable and a very good quality PSU. If you already bought yours, no need to buy the XFX one.
 
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lVlattW

Honorable
May 28, 2013
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Only bought GPU so far, buying the rest at the end of the month, thanks for the watt figures.
 
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wolfikygmr

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Jun 21, 2013
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As a reference for future PSU considerations. As a rule you add up the components watt requirements as per the manufacturers then add 30% on top of that and you will find out roughly what size PSU to purchase. It is never a bad idea to go over a little bit, but never go so far over that your PSU doesn't actually have to work i.e. a 1000W PSU on your build would be pointless overkill. Ksham is right that a 550W would work, but I would personally go with a 600W to make up the 30% over difference.
 
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lVlattW

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May 28, 2013
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GS600 then? Any other 600w PSUs I should look at or are they all too similar to notice a difference?
 
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wolfikygmr

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Jun 21, 2013
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That one will work, also look at the XFX as well as they are a very reliable brand and a bit more bang for your buck.
 
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lVlattW

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May 28, 2013
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So GPU overclocking doesn't require much more wattage?
 
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wolfikygmr

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Jun 21, 2013
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GPU overclocking will require a tad more, but not much. That 550W should still be able to handle your build even with a mild overclock. the real question would be how many hdds you're adding, what cd/dvd/blueray drives you have, any externals, etc...?
 
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lVlattW

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May 28, 2013
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Just the one WD Caviar Blue 1TB, not even bothering with optical drive as I have an external one already for installing windows.
 
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hefox

hefox

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Jan 24, 2007
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Not just for 1A. It's gold certified, has 5 years warranty, it's modular and instead of 1x6 pin and 1x8 pin, it has 2 x 8 pin cables and only for £12 extra.
http://www.overclockers.co.uk/showproduct.php?prodid=CA-019-SS&adword=google/pla/PUP_Components_Power_Supplies/Up_to__w/CA-019-SS/&pup_ptid=45765690995&pup_kw=&pup_c=pla&pup_id=CA-019-SS&gclid=CIzv0t3797cCFQbJtAodaVYApw
 
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