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i7 2600k Build PSU wattage?

post #1 of 18
Thread Starter 
Sup guys,

My friend has a build in mind and I have used a PSU Wattage calculator as last resort but it seems a bit too high - just coming on here to double check that that is the wattage needed.

The build is as follows:

CPU: i7 2600k
PSU: ????
GPU 2SLI: Let's say a GTX480
MEMORY: 4x Kingston Hyper X something, doesn't really matter.
MOBO: P8P67-M PRO

We are overclocking this to 4.2-5.0 Ghz

What would you recommend? I was thinking a 1000W but the calculator says this will use 999W and since the genuine rule of thumb is don't use above 80% the only choice would be 1200W and I have seen people with quad SLI, water cooling, 500LEDs, 4000 Fans that don't use 1.2K PSUs.

I am probably just posting this for reassurance on the 1k PSU.

Cheers,

Fluidz
Edited by Fluidz - 5/12/11 at 9:27pm
Aurora
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Aurora
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post #2 of 18
750 watts.
BlueRaven
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BlueRaven
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post #3 of 18
550-750 depending on future upgrades
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post #4 of 18
Thread Starter 
Well that is the first and last time I am using that calculator.

Should I, in future, just take the values provided by Nvidia and Intel in terms of power usage? Then add some amount for HDD, memory?

If so what values should I add for the HDD and memory?
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Aurora
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post #5 of 18
Is that 2 480s or just 1?
post #6 of 18
Thread Starter 
Quote:
Originally Posted by Iceman23 View Post
Is that 2 480s or just 1?
SLI = 2 normally.

I changed it to 2SLI so yes it is 2.
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post #7 of 18
Go with a good quality 850w and you won't have a problem. 1000W if you plan on upgrading your cards or system later just for the extra headroom as high end GPUS are using more and more power these days and CPUs are becoming capable of amazing overclocks.
post #8 of 18
Thread Starter 
Quote:
Originally Posted by hirolla888 View Post
Go with a good quality 850w and you won't have a problem. 1000W if you plan on upgrading your cards or system later just for the extra headroom as high end GPUS are using more and more power these days and CPUs are becoming capable of amazing overclocks.
Yeah I will probably just get a Corsair HX850W.

How much power does water cooling use? I assume it isn't a lot, however, I have never installed water cooling before and he is considering getting it in light of this thread here: http://www.overclock.net/air-cooling...pu-cooler.html (also one I posted =.=)

If that was the case 850W is still enough yes?
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Aurora
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Primary: 1TiB WD Caviar Black Some Asus one Windows 7 Pro 64-bit OEM Razer Black Widow Ultimate 
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post #9 of 18
Watercooling implies a small increase in power consumption at most (over heavy air-cooling), sometimes even a decrease since transistors consume less power the cooler they are.
post #10 of 18
Quote:
Originally Posted by Fluidz View Post
Yeah I will probably just get a Corsair HX850W.

How much power does water cooling use? I assume it isn't a lot, however, I have never installed water cooling before and he is considering getting it in light of this thread here: http://www.overclock.net/air-cooling...pu-cooler.html (also one I posted =.=)

If that was the case 850W is still enough yes?
You can always go with something like a H50 or H70 for less hassle, otherwise 850w should be able to handle a simple loop no worries.
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