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How much power?

Arsenik

n00b
Joined
Apr 4, 2012
Messages
13
Hi,

I'm in the process of building an X79 system. I have a 3930K, ASUS Rampage IV Formula... Note I don't know much about these high end components. I only decided to go the X79 way because I got the 3930K (380$) for the near price of a 3770K quad core and the motherboard with a pretty decent deal...
Since I don't know if they draw relatively more power or not (will I ever use the 3930K all six cores 100% is a hard question) than what I initially thought I would take (i.e. a 3770K), I don't really know which power supply to take.

I'm interested in the Seasonic platinum series. I'd like platinum since they dissipate less heat and such, and are rated the most reliable. Currently they have two models. 860W and 1000W. Which one should I take?
I will tell you right away, this is a gaming computer. I plan on taking maximum either a GTX 690 or a dual GTX 680 setup, or even maybe dual GTX 670. In other words I will never go tri-sli.

What do you guys think? The 860W is 50$ less...

Cordially,
Arsenik
 
Will you be overclocking? How much RAM, how many hard drives and SSDs, fans, etc?
 
- For overclocking, not now but in the future maybe. I don't want to get limited with that so I'll say yes.
- For the storage either a Samsung 830 SSD or a Mushkin Chronos Deluxe, 256 GB.
- A mechanical HDD of 1TB
- Noctua NH-D14
- Around 4-5 case fans
- 16GB RAM G.Skill Ripjaws Z

So, what you guys do think? At stcok I know 3930K is 130W, not so much more than a 95W quad like 2700K or even a 3770K 75W. On the overclocking part I don't know however. Of course it's TDP but I've been told TDP is usually representative of power consumption.

Thanks!
 
750-800w should be just dandy

Edit: Actually, thats even abit high, You could probably get away with the 600w range, but I'd just stick with 700+ to have some headroom.
 
700 watts or so. The 3930k doesn't draw that much power, and draws considerably less power than the original i7 quad-core Nehalems did. Overclocking to about 4.5 ghz shouldn't shoot power through the roof, but if you're aiming for higher overclocks, then it may be necessary to add an additional 50 watts.
 
Just a question guys... Still, would you take the 1kW even if it's 50$ more, if you were in my situation? Just to "future proof" (altough I'm really categoric on that, I'll never exceed two cards in SLI. I'm into gaming, not into 3D design and such.) ???

Also, a second side question... the two GTX 680, doesn't it takes around 300W each? So a dual setup, we'd already be at 600W??

Thanks very much for your help, especially Jorona/Tsumi. Much appreciated.
 
I'm pretty sure the 680 doesn't break 250w even under max load. They're about 230 per card at 100%. If you must have a platinum unit, might want to check out the Kingwin Lazer Platinum 750. that should fit you quite nicely.
 
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