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Do I need a higher PSU to go 560 ti SLI?

Last response: in Components
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January 11, 2012 3:52:36 PM

I have the following system

Intel Core i7 2600 (not OC'ed obviously)
Gigabyte GA-z68x-ud3h-b3
8GB DDR3 1333 RAM
EVGA Superclocked GTX 560 TI
Corsair 600T Case
Corsair TX v2 750 watt Power Supply
Adata S510 120GB SSD
Asus DVD+RW

If I add another EVGA Superclocked GTX 560 TI, do I need a higher wattage PSU?

More about : higher psu 560 sli

a b ) Power supply
January 11, 2012 4:11:37 PM

Its probably fine to run with the 750.
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a b ) Power supply
January 11, 2012 4:30:38 PM

You should be able to get by with that psu. You're right on the edge.
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January 11, 2012 4:34:59 PM

What happens if you go over the edge?
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a b ) Power supply
January 11, 2012 4:53:43 PM

Unexpected shutdowns or blue screens. No damage.
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January 11, 2012 5:12:16 PM

abekl said:
Unexpected shutdowns or blue screens. No damage.


Actually low power on a computer can cause damage.
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a c 274 ) Power supply
January 11, 2012 5:13:53 PM

Michilius said:
I have the following system

Intel Core i7 2600 (not OC'ed obviously)
Gigabyte GA-z68x-ud3h-b3
8GB DDR3 1333 RAM
EVGA Superclocked GTX 560 TI
Corsair 600T Case
Corsair TX v2 750 watt Power Supply
Adata S510 120GB SSD
Asus DVD+RW

If I add another EVGA Superclocked GTX 560 TI, do I need a higher wattage PSU?

You're perfectly fine to add another gpu with your specs.
No worries!
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a b ) Power supply
January 11, 2012 5:15:31 PM

Low power can also cause overheating issues. However I don't think that you are all the much on the edge. Have you plugged the components into a psu calculator? That should give you the projected maximum load. As long as that is under your psu you should be fine.
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January 11, 2012 5:58:28 PM

You'll be fine, 560 TI in SLI + your other hardware should be around 500w +/- 50.
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a c 1195 ) Power supply
January 11, 2012 6:14:01 PM

For a system using two GeForce GTX 560 Ti graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 700 Watt or greater power supply that has a combined +12 Volt continuous current rating of 50 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

Your Corsair Enthusiast Series TX750 V2 (CMPSU-750TXV2), with its +12 Volt continuous current rating of 62 Amps and four (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to handle the addition of a second GeForce GTX 560 Ti and do some overclocking.
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January 11, 2012 6:40:18 PM

ko888 said:
For a system using two GeForce GTX 560 Ti graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 700 Watt or greater power supply that has a combined +12 Volt continuous current rating of 50 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

Your Corsair Enthusiast Series TX750 V2 (CMPSU-750TXV2), with its +12 Volt continuous current rating of 62 Amps and four (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to handle the addition of a second GeForce GTX 560 Ti and do some overclocking.


ko888,
Thanks for the info. I was looking for nvidia's minimum spec for SLI and couldn't find it. Could you direct me to where you found the 700W/50 amp minimum requirement?
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January 21, 2012 1:05:30 AM

Best answer selected by michilius.
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