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Awesomeness on a budget (MOBO help)

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June 6, 2012 2:27:08 PM

Hey guys, I'm looking to upgrade my beast of a computer (from 4-5 years ago rockin' a E7400 2.8ghz duo core).


I'm looking to get the following:
i7 2600k CPU
HD Radeon 6850 GPU
Hyper 212 Plus CPU Cooler
New power supply (700w+) - Currently looking at the Apevia 700W

I'll be using my old drives (HD, DVD, yada yada) and my old memory.

I'm on a pretty tight budget so I'm only grabbing the things that I need to upgrade to the i7 2600k.

My main question is, what is a good motherboard at a fairly decent (*cough* low *cough*) price. I would like for it to have 4 slots for ram and at least 2 pci-e slots (as I will be grabbing another Radeon 6850 in the future).

Thoughts, suggestions, and advice is completely welcome.

Thanks! :) 
June 7, 2012 2:50:18 AM

(1) what do you plan to use the computer for?

assuming gaming

(2) Given the i5-2500K will game about the same as an i7-2600K would you step down to that CPU?
(3) Do you plan to overclock? If so you'll need a chipset that overclocks and the K version of the I5 or I7. Overclock chipsets are more expensive. Nice chipset ref here: http://en.wikipedia.org/wiki/LGA_1155 IF no overclock then drop to i5-2500 and a p67 MB.

Once you have chipset and CPU final choice post.
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June 7, 2012 12:36:07 PM

Gaming, Streaming, Sound track recording, graphic design.

I only plan on OCing if need be, but I would like to have a motherboard that allows for it, for when I do decide to overclock it.
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June 7, 2012 11:37:52 PM

(2) Given the i5-2500K will game about the same as an i7-2600K would you step down to that CPU?
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June 8, 2012 12:10:02 AM

I'd rather not. The 2600k seems like the better bang for the buck and the extra power can only help my live streams. Unless I'm missing something.

Also, don't they use the same mother boards? So would it really matter which one I use?
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June 8, 2012 11:31:45 PM

"Also, don't they use the same mother boards? So would it really matter which one I use?" you are correct, just calibrating MB selection.

At a guess based on above, when you said "good motherboard at a fairly decent (*cough* low *cough*) price" You meant a good price for a high value MB. You want a Z68 or Z77 to get both CPU overclock and SSD caching. z68 cheaper, the extra functions in z77 (except usb 3.0) need an ivy bridge processor.

z68 MBs --> http://www.newegg.com/Product/ProductList.aspx?Submit=E...

Maybe this one? ATX. http://www.newegg.com/Product/Product.aspx?Item=N82E168... --> $120 +$8 ship -$10 rebate.
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June 9, 2012 2:43:35 AM

Thanks for all the help, one last question. Let's say I use the mother board you suggested and I get the i7 2600k and Radeon 6850. Would a 500w power supply be sufficient before and/or after over clocking. And what about when I add a second Radeon 6850 for crossfire.

If not, what wattage power supply would you suggest?

Thanks again! :) 
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June 9, 2012 8:31:36 AM

You have two cross checks. You can google your part names with TDP and get their approximate wattage, add it up and add 50% or you can look at tests run with a HD6850 and an I7-2600K.

TDP i7 = 95W, with overclock 130w.
TDP 6850 = 127W, with OC = 150W.

Your system will peak at about 300W of 12v, so a good 400w PSU would work, a 500W is fine.

cross check: "System Wattage with GPU in FULL Stress = 278W" http://www.guru3d.com/article/radeon-hd-6850-6870-revie...

But get a quality power supply. Here is an expensive bad one - "750 W power supply that burns if you try to pull more than 450 W from it." http://www.hardwaresecrets.com/article/977 And a cheap good one. $40 Antec VP450 http://www.hardwaresecrets.com/article/Antec-VP450-Powe... http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Aside: The balance of your system is tipped heavily to CPU. Instead of $140 HD6850 + $300 i7 = $440, consider $200 GTX 560 Ti + $220 i5 = $440 and much faster gaming machine, same speed productivity machine. Or $240 HD7850 + i5 = $480.

edit: "Our tests demonstrate fairly little difference between a $225 LGA 1155 Core i5-2500K and a $1000 LGA 2011 Core i7-3960X, even when three-way graphics card configurations are involved. It turns out that memory bandwidth and PCIe throughput don't hold back the performance of existing Sandy Bridge machines. " http://www.tomshardware.com/reviews/gaming-cpu-review-o...
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