Is my PSU good enough for GTX 760 SLI?

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Killermachine252

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May 23, 2013
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I'm thinking about adding another GTX 760 to my rig and I was wondering if my current PSU is adequate enough to power my entire system if I were to SLI.

CPU: Intel i5 4670K @ 4.2GHz, 1.3V (I think)
Heatsink: Cooler Master Hyper 212 EVO
Mobo: ASUS Z87-Pro
GPU: MSI Twin Frozr IV GTX 760
SSD: Samsung 840 Pro 128GB
HDD: Seagate Barracuda 1TB 7200rpm
ODD: ASUS DVD Writer
PSU: Antec Truepower New TP-650
+ 3 case fans (2 are LED)
 
Solution
ko888
For a system using two GeForce GTX 760 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 700 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 50 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors. Some of the GeForce GTX 760 cards have a single 8-pin or two 8-pin or one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical...
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ko888

ko888

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Feb 18, 2009
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For a system using two GeForce GTX 760 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 700 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 50 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors. Some of the GeForce GTX 760 cards have a single 8-pin or two 8-pin or one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.

Overclocking of the CPU and/or GPU(s) may 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 Antec TruePower New Series 650W (TP-650) power supply unit, with its maximum combined +12 Volt continuous current rating of 54 Amps and with two 6-pin and two (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your system configuration with two GeForce GTX 760 graphics cards in 2-way SLI mode.
 
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