Which PSU Do I Need?

[xmonke]

Intel i7-3770K Quad Core Processor

Nvidia eVGA GeForce GTX 670 Graphics Card

ASRock Z77 Extreme4 LGA 1155 ATX Intel Motherboard

Western Digital WD Blue WD10EZEX 1TB 7200-RPM 64MB Cache SATA Internal Hard Drive


How may watts and what type of power supply do I need?

 

[ko888]

For a system using a single GeForce GTX 670 graphics card NVIDIA specifies a minimum of a 500 Watt or greater power supply that has a 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 power supply that has a 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 @ 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 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 you are trying to achieve.

What is your power supply budget?

Are you planning on running with more than one graphics card (i.e. SLI) in the future?

Are you planning on overclocking your CPU and/or GPU(s)? If yes what is your target overclock settings?

 

[xmonke]

What is your power supply budget?

Are you planning on running with more than one graphics card (i.e. SLI) in the future?

Are you planning on overclocking your CPU and/or GPU(s)? If yes what is your target overclock settings?

My budget is around or below $100 and just not too expensive. I just plan on having one GPU and I don't plan on overclocking.

 

[ko888]

The Seasonic M12II-520 Bronze (SS-520GM), with its combined +12 Volt continuous current rating of 40 Amps and with one 6-pin and one (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your system configuration with a single GeForce GTX 670.

SeaSonic M12II 520 Bronze 520W ATX12V v2.3 / EPS 12V v2.91 SLI Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply for $69.99

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151093

or

http://us.ncix.com/products/?sku=52175&vpn=M12II%20520&manufacture=Seasonic%20Electronics