What power of PSU do i need?

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craigmccall43

Honorable
Nov 23, 2013
4
0
10,510
No idea where to start.. i have purchased the following:

Case : Fractal Designs - Define R4
Mobo : Asus Z87 Pro
CPU : Intel i5 4670K (not overclocking)
RAM : G Skills Ares 2x4GB
STORAGE : Samsung 840 Pro SSD 120GB, WD RED 2TB HD
GPU : Asus Nvidia GTX 670
Bluray Drive : Pioneer 15x Bdrw Multilayer 128gb

The other issue i have is id like to have the option in future to add another one or two 2TB Drives, another GTX 670 and double the RAM without having to upgrade the PSU.

Any thoughts? Thanks

 
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epicoverclock

epicoverclock

Honorable
Dec 7, 2013
269
0
10,860
if you want to go sli a good quality 800w psu would be enough but there is no point in going with SLI with gtx 670, its better to sell and buy new gpu. 550w power supply would be enough for a single GTX 670, 800w should do for gtx 670 2-way sli
 
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ko888

ko888

Titan
Feb 18, 2009
16,708
41
84,990
For a system using two NVIDIA reference design 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.
 
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