Do I need a bigger PSU?

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rayashj

rayashj

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Jan 29, 2014
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This is the GPU I have: EVGA GeForce GTX 760 2GB Dual Superclocked ACX Video Card.

I want to add another one.

This is the PSU I currently have: SeaSonic S12II 620W 80+ Bronze Certified ATX Power Supply.

I used my PcPartpicker build and added another 760 and the estimated wattage is 574W.

Would I be okay to keep my current PSU or would I have to get another??

I'm afraid 574 is too close to 620.

 
Solution
HiTechObsessed
If you're getting a new PSU as well, I would go for an 850w unit. 750w will do just fine, but 850w will put you right around peak efficiency at load, and will last longer. I would go for something like this:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151108&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=

Will be perfect, and SeaSonic quality means you won't have to worry about it :) Antec also has their HCG850 that sells for around the same prices usually. If you don't want to spend that much, a 750w would definitely work. Something like:

http://www.amazon.com/dp/B009YC3DBS/?tag=pcpapi-20
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G

Guest

Guest
The SLi uses a few more Watts, but if you have calculated the power supply on maximum CPU + GPU usage, then you are fine.

The SeaSonic is not a PSU to get afraid of, its reliable, and that 574W is when your computer is handling multiple very hard tasks at once, and its unlikely to happen.
 
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G

Guest

Guest
don't overclock the gpu ,u will be fine.
although its better to use a single powerful gpu than two in xfire/sli
unless ur mobo have same two x16 speed pci-e slot.
 
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HiTechObsessed

HiTechObsessed

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Dec 3, 2013
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A single GPU over SLI/Crossfire isn't 'better', it's just recommended for future upgradeability. NVIDIA SLI doesn't have the driver problems AMD deals with, and two 760s will perform better than a single GPU of equivalent price.

The point about 2 x16 slots doesn't really make a difference either, as PCIe 2.0 x8 only performs minimally slower than PCIe 3.0 x16 in the real world.
 
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G

Guest

Guest
Really huh?? is 2 x gtx 760 2gb worth around 460$ better than a gtx 780 3gb (THE best gpu for money rather than a 1000$ titan)worth the same price???
 
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HiTechObsessed

HiTechObsessed

Splendid
Dec 3, 2013
5,430
0
24,960
If you're getting a new PSU as well, I would go for an 850w unit. 750w will do just fine, but 850w will put you right around peak efficiency at load, and will last longer. I would go for something like this:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151108&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=

Will be perfect, and SeaSonic quality means you won't have to worry about it :) Antec also has their HCG850 that sells for around the same prices usually. If you don't want to spend that much, a 750w would definitely work. Something like:

http://www.amazon.com/dp/B009YC3DBS/?tag=pcpapi-20
 
Upvote 0 Downvote
Solution
rayashj

rayashj

Honorable
Jan 29, 2014
38
0
10,530
Oh, well the SeaSonic you suggested is full modular. My current isn't modular at all and was a pain in the ass. I just figured a full mod would be easier. Anyways, thanks for your help!
 
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