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Will my power supply handle a GTX 570 or GTX 580?

Last response: in Graphics & Displays
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May 11, 2012 12:36:23 AM

I have a OCZ GameXStream OCZ700GXSSLI 700W
Link: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I would like to upgrade my graphic card to a GTX 570 or a GTX 580. I just want to make sure my PSU can handle it.

My PSU has 4x 12v rails, each has 18a power. I'm pretty sure I have both the 6-pin and the 8-pin (6+2) for the actual connection, but I also read the GTX 570/580 needs 36a of power. Can this be achieved with my PSU?


Here's my current setup. The only thing changing would be removing the old GPU and adding the GTX 570 or GTX 580:

-OCZ GameXStream OCZ700GXSSLI 700W PSU
-XFX Nvidia nForce 780i Motherboard
-Intel Core 2 Duo E8400 Wolfdale 3.0GHz CPU
-XFX PVT98WYDFH GeForce 9800 GTX+ GPU
-Mushkin Enhanced Blackline 8GB (4 x 2GB) RAM
-LITE-ON 20X DVD±R DVD Burner External Bay Drive
-Western Digital Caviar Blue WD5000AAKS 500GB 7200 RPM SATA 3.0Gb HDD
-Creative X-Fi XtremeMusic - AUDIO CARD (PCI)


Any insight would be helpful.

Thank you!
a b ) Power supply
May 11, 2012 1:03:02 AM

in theory, it should work, but then you will have to make sure that other components that run on another 12v rail are not taking that many amps.

also, im pretty sure that core 2 duo will bottleneck a 570/580. time for an upgrade
May 11, 2012 1:11:58 AM

TheBigTroll said:
in theory, it should work, but then you will have to make sure that other components that run on another 12v rail are not taking that many amps.

also, im pretty sure that core 2 duo will bottleneck a 570/580. time for an upgrade



Just out of curiosity, what is it about the Core 2 Duo that bottlenecks the 570/580?
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May 11, 2012 1:12:34 AM

Get a Core 2 Quad Q9550 and OC it to 3.59/3.6GHz and buy a GTx 670 for maximum gaming performance////

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a c 89 Î Nvidia
a c 78 ) Power supply
May 11, 2012 1:15:48 AM
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Each rail has 18a and two will have 36a so two of the rails will be providing the 36a needed for the card. The good thing about the core 2 Duo is that it comes at 3.0ghz stock and if need be you can up the clock a bit to alleviate any bottle neck. Most games can use the two cores and there are some that can use four.
So your power supply will be ok and the next thing after the video card will be the motherboard and cpu for upgrade. The 570 would be a good choiuce and the only way I would get a 580 is if you were going to upgade the cpu and motherboard soon.
May 11, 2012 1:28:32 AM

My current setup is over 4.5 years old now and still runs very strong. I game often, even modern games (like BF3). My goal is to get a new GPU that will last me another 4.5 years. I think I'll end up stretching it to the GTX 580. I'm not ruling out ATI yet either, but my Wife's PC has a GTX 570 and it rocks. :)  Although her PC also has a Intel quad-core i7.

If I upgrade the CPU this year, then I'll probably get a new motherboard, etc just to complete the upgrade (but I lack in knowledge about socket size these days, so not sure if a new motherboard would really be needed).

Thank you all for the feedback so far.
a c 89 Î Nvidia
a c 78 ) Power supply
May 11, 2012 1:39:11 AM

The cpu has to match the motherboard socket , LGA 775 , Lga 1366 , Lga 1155 and Lga 2011. Right now you have the Lga 775 socket and the cpu is the same pin count. Most likely you will upgrade to a lga 1155 socket motherboard and Intel Ivy Bridge lga 1155 cpu. You will also have to get new ram as well.
May 17, 2012 11:58:26 PM

Best answer selected by Landsharkk.
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