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Can someone recommend a power supply

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February 26, 2013 5:05:54 PM

Hello, I'm new, this is my first post :)  I am thinking of buying a new graphics card. My psu has recently stopped working and i need another which will power this graphics card. Im not sure whether to go for a 750w or 850w. My specs are:

Gigabyte GeForce GTX 670 Windforce 3X NVIDIA 2GB (may overclock)
Intel i5 3570k 4.2 ghz (may overclock even more)
Asus P8Z77-V Intel Z77 mobo
Corsair Vengeance 8GB 1600MHz
OCZ 128GB Vertex 4 SSD
1TB Samsung Sata II HDD
LG 24x DVD RW
Also 3 fans in my case

I have been looking at the Corsair cx750 and tx 850w, but I am unsure :/ 

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a c 1191 ) Power supply
a c 559 U Graphics card
February 26, 2013 5:37:14 PM

For a system using a single GeForce GTX 670 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.

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 Builder Series CX750 (SKU# 75-001447 / CP-9020015), with its maximum combined +12 Volt continuous current rating of 62 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is way more than sufficient to power your system configuration with a single GeForce GTX 670 graphics card. It is also more than sufficient to power your system configuration with two GeForce GTX 670 graphics cards in 2-way SLI mode.

The Corsair TX Series TX850 (SKU# 75-001311 / CP-9020043), with its maximum combined +12 Volt continuous current rating of 70 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is way more than sufficient to power your system configuration with a single GeForce GTX 670 graphics card. It is also way more than sufficient to power your system configuration with two GeForce GTX 670 graphics cards in 2-way SLI mode.

The Corsair TX Series TX750 (SKU# 75-001309 / CP-9020042), with its maximum combined +12 Volt continuous current rating of 62 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is way more than sufficient to power your system configuration with a single GeForce GTX 670 graphics card. It is also more than sufficient to power your system configuration with two GeForce GTX 670 graphics cards in 2-way SLI mode.
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a b ) Power supply
a b U Graphics card
February 26, 2013 5:40:51 PM

A CX750 is more than enough for that system.
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a b ) Power supply
a c 272 U Graphics card
February 26, 2013 5:46:44 PM

This next topics has been merged by Mousemonkey
  • Can someone recommend a power supply
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    February 26, 2013 7:53:49 PM

    Best answer selected by CyberJack.
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