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Corsair TX 650 v2 enough?

post #1 of 9
Thread Starter 
So I picked up another GTX 670 over the weekend and just had a quick question.

Will a Corsair TX 650 v2 Bronze rated w/ 53A on the 12v rail be enough to power 2x GTX 670 both at 1250MHz and a Core i5 2500k 4.5GHz @ 1.27v? Other components are 2 HDD (WD Green's), 1 SSD, Corsair H100i, and about 5 case fans.

I've already used the PSU Calc that an OCN user made and it said 650 was enough but I just wanted to double check smile.gif. I think its just barely enough but am wondering if I should get a 750 to give it room to breathe.

Any input is greatly appreciated.
MkV
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MkV
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post #2 of 9
You'll be fine. CPU magazine tested a Seasonic 650w psu using two GTX 580's and it ran just fine. 670's use less power. I believe the TX650 v2 is a Seasonic.
If you do decide to upgrade I can tell you that you won't need more than 850w which is what I have.

http://www.tomshardware.com/reviews/power-supply-oem-manufacturer,2913-5.html

Cheers
Edited by Fan o' water - 5/7/13 at 8:02pm
Mild Mod
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post #3 of 9
Yes you can
Seravee
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Seravee
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post #4 of 9
TX 650 is plenty of psu power for a couple of GTX 670s and a 2500k.

I ran a GTX 690 @1200MHz with a 3970X @4.7GHz on an AX650 and it ran great. Even benching my cpu to near 1.7v and pushing the GTX 690 a little past 1200MHz was no problem.
    
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post #5 of 9
Plenty.
 
Gsvlip Dudyrm
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Oda'maksv
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Gsvlip Dudyrm
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Oda'maksv
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post #6 of 9
Should be fine, at least if it's for something like gaming. You will need to use molex to pci-e adaptors as the unit only has 2 PCI-e cables, though I believe most cards include such adapters anyways so that shouldn't be an issue either.
post #7 of 9
Measured power consumption two cards in SLI x2

System in IDLE = 160W
System Wattage with GPUs in FULL Stress = 433W
Difference (GPU load) = 273W
Add average IDLE wattage ~20W
Subjective obtained GPU power consumption = ~ 293 Watts



GeForce GTX 670 - On your average system the card requires you to have a 500~550 Watt power supply unit.
GeForce GTX 670 2x SLI - On your average system the cards require you to have a 700 Watt power supply unit as minimum.
GeForce GTX 670 3x SLI - On your average system the cards require you to have a 850 Watt power supply unit as minimum.


From guru3D.


For me, and 650W PSU is fine.
post #8 of 9
Those websites always over-shoot what is actually needed. When you look at reviews you get the real story. Even a Titan SLI system doesn't pull 600W on the average setup. Comes close though.
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post #9 of 9
While waiting for a replacement PSU from Corsair, I put in the TX 650 V2 I had laying around and it has been fine for a week of gaming (e.g. Metro).

My system (stock):
3770K
Sabertooth Z77
670 FTW x 2
830 SSD x 2
MCP35X Pump
120mm Fan x 3
200mm Fan x 2
and one fan controller

Hope it helps. smile.gif

EDIT: I was using an AX 850 before it crapped out.
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