Will a CX430 safely power a GTX 760?

purpleninja · Dec 31, 2013

Hey guys,
I want to upgrade my GPU from a 650 Ti to a 760, but I cheeped out on my PSU when first building my system. My power supply outputs 430 watts, and the GPU requires 500. The GPU needs 30 amps on the 12V rail, and my PSU has 32A. Is this safe? I have a pretty standard setup in terms of power consumption, but I would like to get your opinion. I personally feel safe with the CX430 and 760, but I would upgrade for anything above that.
Thanks!

chrisso · Dec 31, 2013

No, you need the 600 cx, or better made xfx550 pro
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013
We just looked into it for someone else, the cx500 is too small.
(no headroom)

Dark Lord of Tech · Dec 31, 2013

CX430

PCI-Express Connector
1 x 6+2-Pin

Only has one 8 pin on that power supply.

I would upgrade to a decent 550w.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($59.99 @ NCIX US)
Total: $59.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-12-31 15:11 EST-0500)

purpleninja · Dec 31, 2013

Okay, what is the deal with the PCI-Express Connectors? Will they still work? It's the only thing on my PCI slots.

ko888 · Dec 31, 2013

For a system using a single GeForce GTX 760 graphics card NVIDIA specifies a minimum of a 500 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 30 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors. Some of the non-Reference Design GeForce GTX 760 cards have a single 8-pin (e.g. ASUS GTX 760 DirectCU II OC) or two 8-pin (e.g. MSI GTX 760 HAWK) or one 6-pin and one 8-pin (e.g. Gigabyte GTX 760 WindForce OC, EVGA GTX 760 SC w/ACX Cooler, MSI GTX 760 TwinFrozr Gaming) PCI Express supplementary power connectors.

purpleninja · Dec 31, 2013

ko888 :

Thank you, what PSU would you recommend for this? Would a CX500 cover it?

ko888 · Dec 31, 2013

purpleninja :

Yes, the Corsair CX500 will work for any GeForce GTX 760 card.

Dark Lord of Tech · Dec 31, 2013

Yes a Corsair CX500 will run a 760 .

purpleninja · Dec 31, 2013

Even with the connectors? Aren't the CX series connectors the same? If so, how bad would it be to run on a PSU with 70 less watts?

Dark Lord of Tech · Dec 31, 2013

The CX500 has the right connections for the card the 430w doesn't.

2 x 6+2-Pin

ko888 · Dec 31, 2013

The CX430 comes with one (6+2)-pin PCI-E power connector.

The CX500 comes with two (6+2)-pin PCI-E power connectors.

Dark Lord of Tech · Dec 31, 2013

The CX500 will do the job for you.

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Will a CX430 safely power a GTX 760?

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