TX650W PSU matched with GTX 670 FTW

samuelcaie · Mar 25, 2013

Hey guys
I have an i5-3570K CPU, MSI z77 motherboard, 16GB RAM, 240GB SSD, 27" LED monitor, Corsair TX650W PSU, EVGA GTX 670 FTW GPU 2GB.
just wondering:
could I run a second GTX 670 FTW in SLI on that PSU? Or would I have to upgrade to an 850W or so?
& also, could you guys tell me approximately how much power I'm using?
thanks
Sam

ko888 · Mar 25, 2013

For a system using two reference clocked GeForce GTX 670 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 45 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

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 at 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 Corsair TX Series 650W (SKU# 75-001315 / CP-9020038), with its maximum combined +12 Volt continuous current rating of 54 Amps and with two (6+2)-pin PCI Express supplementary power connectors, is electrically sufficient to power your system configuration with two GeForce GTX 670 graphics cards in 2-way SLI mode but is deficient by two PCI Express supplementary power connectors.

A reputable name brand 750 Watt power supply with at least four PCI Express supplementary power connectors would be more than sufficient.

Ignoring the monitor your system power consumption during typical gaming should be under 260 Watts for the system configuration you currently have.

Adding the second GeForce GTX 670 in 2-way SLI mode would increase the power consumption by another ~130 Watts.

samuelcaie · Mar 25, 2013

ko888 :

For a system using two reference clocked GeForce GTX 670 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 45 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

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 at 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 Corsair TX Series 650W (SKU# 75-001315 / CP-9020038), with its maximum combined +12 Volt continuous current rating of 54 Amps and with two (6+2)-pin PCI Express supplementary power connectors, is electrically sufficient to power your system configuration with two GeForce GTX 670 graphics cards in 2-way SLI mode but is deficient by two PCI Express supplementary power connectors.

A reputable name brand 750 Watt power supply with at least four PCI Express supplementary power connectors would be more than sufficient.

Ignoring the monitor your system power consumption during typical gaming should be under 260 Watts for the system configuration you currently have.

Adding the second GeForce GTX 670 in 2-way SLI mode would increase the power consumption by another ~130 Watts.

wow ok thanks very helpful!
So I will keep that in mind when (if) I decide to SLI my 670s! Thanks for the clear, direct answer!
Sam

ThebombT · Mar 25, 2013

ko888 :

For a system using two reference clocked GeForce GTX 670 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 45 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

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 at 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 Corsair TX Series 650W (SKU# 75-001315 / CP-9020038), with its maximum combined +12 Volt continuous current rating of 54 Amps and with two (6+2)-pin PCI Express supplementary power connectors, is electrically sufficient to power your system configuration with two GeForce GTX 670 graphics cards in 2-way SLI mode but is deficient by two PCI Express supplementary power connectors.

A reputable name brand 750 Watt power supply with at least four PCI Express supplementary power connectors would be more than sufficient.

Ignoring the monitor your system power consumption during typical gaming should be under 260 Watts for the system configuration you currently have.

Adding the second GeForce GTX 670 in 2-way SLI mode would increase the power consumption by another ~130 Watts.

If the TX650w only comes with 2 pci-e connectors can you use the pci-e adaptor thats comes with the Gtx 670 gpu if you plan to SLI it?

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TX650W PSU matched with GTX 670 FTW

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