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GTX 660 SLI power consumption 650watts seasonic gold

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  • Power Supplies
  • Power Consumption
  • SLI
  • Components
Last response: in Components
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July 11, 2013 1:29:46 AM

ive built a new system and my ever so loving army brother came home gettin me a new GFX card. now i got to SLI forcefully. :D 

my problem is

i5 4670k
GA-z87x-UD3H
DDR3 8GIG CL9 Hyper X kingston (2x4gb)
Storm Scout with 4 extra fans total
Caviar Black 1TB HDD
Corsair Neutron SSD 128gb
Asus 22" LED
CoolerMaster X6 CPU Cooler


2x SLI GTX 660 Gigabyte OC
PSU Seasonic X-series 650watts 80+ gold modular.

overclock to 4.0Ghz maybe, but not beyond.

can my PSU handle this?

http://www.hardwaresecrets.com/article/Seasonic-X-Serie... cant seem to find the SLI part. =(

More about : gtx 660 sli power consumption 650watts seasonic gold

July 11, 2013 1:40:44 AM

ur current PSU is at level with your requirement. Better get a 750w if u intend to use 660 in SLi. gTX 660 tend to use 290+watts in full load. an average 750w PSU will offer you approx 60A on 12v rail so u will be able to use the 660s in SLI and have a little head room.
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July 11, 2013 2:02:33 AM

660 has a TDP of 140W, so 140+140+84 (CPU) = 364W. Add some for MB, HDD, SSD, fans etc. and you should still be fine, especially given that's a very very good PSU.

You should be fine, though don't OC too far.

Oh, and you could probably run your current build on a 450W+ PSU.
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July 11, 2013 2:07:13 AM

Someone Somewhere said:
660 has a TDP of 140W, so 140+140+84 (CPU) = 364W. Add some for MB, HDD, SSD, fans etc. and you should still be fine, especially given that's a very very good PSU.

You should be fine, though don't OC too far.

Oh, and you could probably run your current build on a 450W+ PSU.


thanks im really gettin worried to change my PSU. i bought it last month and dont want to change it just for the sake of +100watts on 750watts PSU. thanks
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