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CLCs for Quadfire Setup

post #1 of 17
Thread Starter 
This might sound completely ridiculous, and it could be lol, but I've been wondering about this and I can't really find an answer on it, anywhere?

I'm planning on, most likely, going with 3-4 7950s for a 5760x1080 Setup. I know that with Tri to Quad Setups, heat can become a serious issue. I've been a lot of people using coolers like the Corsair 120mms and such and having great success with them.

Would it be possible to do that on 3-4 Cards? I will certainly have a case big enough to fit the radiators but will the pumps have enough space to fit in between the cards with the stock heatsink fans removed? The new corsair square blocks are quite slim with flexible tubing so I'm thinking it MIGHT be possible and I can probably buy all of that for < $100 if I catch a sale.

If this will work, my next question is are the Reference 7950s Voltage Locked? IIRC, they aren't and since they are much cheaper and should OC higher, it would make more sense to use them since the subpar stock cooling won't be an issue, right?

I don't want to do a custom loop, at all. I don't have the budget or know how to do so. I also dislike the fact that if it leaks, my entire system is probably gone. I just wanted to make that point before doing that was suggested. thumb.gif

Thanks!
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post #2 of 17
Corsair units are just as likely to leak as any custom loop. What are you suggesting would look terrible and cook VRMs.
post #3 of 17
Thread Starter 
Quote:
Originally Posted by zalbard View Post

Corsair units are just as likely to leak as any custom loop. What are you suggesting would look terrible and cook VRMs.

Um, no? I've read many stories of custom loops leaking because they are 100% based on the person who builds them and maintains them. One mistake can cost you thousands. I'll pass. How many times do you hear of a Corsair unit leaking and ruining a system? And if it does, they insure their products and replace whatever was destroyed, at least to a certain amount. If a custom loop leaks, bye bye system.

I'm not worried about looks, btw. I'm looking for better temps and performance.

Mind elaborating on why it would cook the VRMs?

Thanks.
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post #4 of 17
No dont do it. No vrm cooling is bad for tahiti. Also it will be ugly and mess as hell. If you had 1-2 cards maybe but with 4 no.

If you know how to build a custom loop and do proper a leak test then your custom loop will never leak (except if something is defective which the same happen on the CLC unit)
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post #5 of 17
Thread Starter 
Ah well, it was just an idea. lol

Let's say I considered building a custom loop, how much is that going to run me, minimum, to cool the CPU and Graphics Cards? thinking.gif
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post #6 of 17
240mm per card and cpu. The ideal setup is 360mm per card. For a quad setup you need external rads or a really big case.
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post #7 of 17
Thread Starter 
Quote:
Originally Posted by sugarhell View Post

240mm per card and cpu. The ideal setup is 360mm per card. For a quad setup you need external rads or a really big case.

I'm afraid to ask.....

How much would something like that cost? cryingsmiley.gif
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post #8 of 17
Not sure what the strong dislike for CLCs on GPUs are, but you can easily run multiple coolers like the H70 with its lower profile pump on multiple cards. Then you just need some heat sinks for the VRMs - no big deal. The VRAM can run naked if you want, or you can sink those too.

To save space you can run dual 240s with two cards on each instead of four 120s. My H70 keeps my 7970 under 60c @1200 mhz, stock cooler hit 84c.
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post #9 of 17
Thread Starter 
Hmm, how would I run two cards off a single 240? They only come with one block.

I'm quite intrigued if this will work because it would save me a fortune and be much cleaner than 4x 120s.

Thanks!
Gideon
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Gideon
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For Sale: Astro A40 Headset + Astro Mixamp Pro
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CPUMotherboardGraphicsRAM
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post #10 of 17
4 x 7950 = ~$1,200 Poor scaling, lots of power, lots of heat.

2 x 780 = ~$1,300 Good scaling, lower power, lower heat.

Sure the Quadfire 7950s might perform better, but the cost of running them will quickly negate any purchase savings. Not to mention you would be saving yourself the $150-200 on CLCs.
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