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Would a 650 watt power supply suffice for this build?

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August 16, 2012 5:10:23 PM

ASRock Z77 Pro4
i5-3570k
GTX 660 Ti
8 GB DDR3 RAM @1333mhz

August 16, 2012 5:56:15 PM

Yes it is which 650w are you asking about can you list the made and model please ?
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August 16, 2012 6:26:00 PM

you could run 3 660ti's if you had the right connections from that power supply
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a b B Homebuilt system
a b ) Power supply
August 16, 2012 7:53:07 PM

LOL
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August 16, 2012 8:23:08 PM

nope only sufficient for 2 cards as some versions of the 660 draws up to 190 watts each so ur left with 270 watts for cpu and other stuff -.-'
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a c 118 B Homebuilt system
August 16, 2012 8:31:50 PM

You have a link on that?


This is how much the whole system with one 660 TI is drawing at the wall, that includes the "cpu and other stuff". I agree its a tight fit, but I wouldn't run a 660 TI in 3 way SLi anyway, you'd be better off with 2 GTX 670s at that point.
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August 16, 2012 9:17:14 PM

nekulturny said:
Yes it would, but thats the v1 version, this is the v2 version, its slightly better, and might I add cheaper:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

And yes, it actually does have sufficient power connectors for 3 GTX 660 TIs.


that doesnt support sli like the other one did.

GhosT94 said:
nope only sufficient for 2 cards as some versions of the 660 draws up to 190 watts each so ur left with 270 watts for cpu and other stuff -.-'


they can draw that much but do not draw near that much. i can run 2 6950's with an i7 at 4.6 and 7 fans and only pull about 430 from the wall with EVERYTHING under full load.

nekulturny said:
You have a link on that?

http://static.techspot.com/articles-info/565/bench/Power.png
This is how much the whole system with one 660 TI is drawing at the wall, that includes the "cpu and other stuff". I agree its a tight fit, but I wouldn't run a 660 TI in 3 way SLi anyway, you'd be better off with 2 GTX 670s at that point.


it would be fine. motherboard fans and cpu use more then you think and the gpus use less then you think

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a c 118 B Homebuilt system
August 16, 2012 9:24:51 PM

Yes, the TX650v2 supports SLi. I'm not sure what kind of "support", you expect it to give. you. The power supply only needs to supply the electricity. Theres nothing special about electricity as far as the video cards are concerned. The TX650v2 has 2 6+2 PCI- E connectors, it also has 8 molex 4 pin connectors. The 660 TI uses 2 6 pin connectors, and most of them include molex adapters for if your power supply has insufficient PCI-E connections. There is absolutely nothing wrong with using these molex connectors to power a 2nd graphics card, contrary to many "old wives tales". As long as the power supply is of good quality, such as a TX series Corsair, you're golden.
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