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Gigabyte Superb 720W is good for i7 2700K + 2x GTX680?

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16 March 2013 13:36:37

Hello!

So I have a i7 2700K and a GTX680 with a Gigabyte Superb 720W
http://www.gigabyte.com/products/product-page.aspx?pid=...

And I'm thinking about getting another 680. Is that PSU enough for these?

Full Specs:
MB: Asrock Z77 Extreme 4
CPU: Intel Core i7 2700K
Memory: 2 x Kingston 8GB 1600Mhz DDR3
GPU: 2x EVGA GeForce GTX 680 SLI

Is that PSU enough for running these?

Thanks!
a b ) Power supply
16 March 2013 13:50:07

Nope 3way SLI 680s I wont do on that ! Get a better PSU atleast like the AX850 or HX850 from corsair or any 1000 watt 80 gold PSU.
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16 March 2013 13:55:02

Not 3way....2 way. you misunderstood it. and check the title again!
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Best solution

a b ) Power supply
16 March 2013 14:38:19

I wouldn't * risk it, that PSU only has 504W on the +12v rail, which is 42A, which is very low, in fact, a quality 550W psu has more amps(or about the same), it clearly has a fake wattage, also for card requirements check it here : http://www.realhardtechx.com/index_archivos/Page362.htm

That psu is made by AcBel Polytech, that doesn't seem good either.
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16 March 2013 18:47:09

With 2X GTX 680's and an i7 2700k I would not trust just any PSU. Protect your expensive investments and pick up a quality PSU like a Corsair HX750 or even an Antec High Current 750.
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a c 1176 ) Power supply
16 March 2013 21:15:45

For a system using two GeForce GTX 680 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 750 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 53 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors or two 6-pin and two 8-pin PCI Express supplementary power connectors depending on brand and model of the graphics card.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Combined Continuous Power/Current Available on the +12V Rail(s) rated @ 45°C - 50°C ambient temperature, is the most important factor.

Overclocking of the CPU and/or GPU(s) will require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The GIGABYTE Superb 720 (GE-P610A-C2), with its maximum combined +12 Volt continuous current rating of 42 Amps and with two (6+2)-pin PCI Express supplementary power connectors, is grossly insufficient to power your system configuration with two GeForce GTX 680 graphics cards in 2-way SLI mode.
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