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Cooling for I7 920 and (2) 7970s < Preferably one loop>

post #1 of 14
Thread Starter 
I currently have my i7 920 overclocked to 4.0ghz @ 1.28volts

HAF 922 case (think thats right, check my sig)

My 7970 is running at stock and my ambient temperatures are generally 20 degrees Celsius in the house.

I ve read the waterloop guide and several reviews on the "round-ups" of gpu/cpu blocks. When it all comes down to it 1-3 degrees difference is not a deal breaker for me. Functionality, installation, maintenance, cost, and aesthetics all play a role. For this reason I ve narrowed it down to a few choices and I really want suggestions on those or if you have something that is outstanding Ill gladly entertain that. Here are my CPU choices:

Apogee Drive 2 $144.99


Apogee HD $69.99


Koolance 380 $76.99


XSPC Raystorm $62.99


I am currently leaning on the AD2 due to it simplifying my loop, saving some cash on a pump, and it just seems cool to me. After that the Koolance seems to be the best performer and quite affordable. Quickly followed up by a nifty XSPC which has a great bang for the buck, slightly less performance, and a nifty LED. All in all though I would say the AD 2 and Koolance are my real contenders.


As far as my GPU blocks I ve narrowed that down to two products the heatkiller and swiftech komodo.





I lean towards the Swiftech block so that it all matches and I enjoy the overall cleanliness of the look, but I ve heard the GPU block is a bit restrictive. After that it seems the Heatkiller block is the best performer, but I m open to some reviews I may have missed.

As it currently sits I only have one 7970 and I will add the second into the loop in a couple months. I d like to just get the system underwater and get my feet wet before grabbing a second GPU and really going all out.

I would also be welcome to radiator suggestions for this style setup. Lastly, if the AD2 is not a winner, something along the lines of this was a heavy option. It is very clean, multi functional, and just seemed cool. Thanks in advance guys!
http://www.frozencpu.com/products/14247/ex-res-315/Koolance_RP-985_Series_Reservoir_and_Pumps_in_525_Bay_-_Black.html?tl=g30c107#blank

post #2 of 14
Will have to mod that case prolly. A 360 & 240 Rad would do. Along with a D5 pump, save yourself some money & look @ Performancepcs for parts. Cheaper than frozencpu by a great deal..
 
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post #3 of 14
I had the Apogee HD and liked it. Worked fine for me.

I don't know about the AD2, but it seems like it would make things easier. I'm just not sure it'll produce enough flow for a whole loop, especially with restrictive blocks like the Komodo. I had good luck using the MCP 655 with the Apogee HD, and an EK GPU block. For 2 GPU blocks, and depending on the amount of radiator you use (you'll want at least 2 240 rads, preferably a 360 rad and a 240) you might even want to consider the MCP 35x2 pump.
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post #4 of 14
Thread Starter 
Do you think it would be enough for one gpu and then add an additional in series with the second card?
post #5 of 14
Quote:
Originally Posted by dsmwookie View Post

Do you think it would be enough for one gpu and then add an additional in series with the second card?

a 360 & a 240 is more than enough. Make sure they're some nice size (thickness) Rads.
 
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post #6 of 14
For rads you want 120mm per block plus an extra 120mm for OC etc.

Saying this the newer gen of video cards put out less heat. But stick with the rule of thumb, it is there for a reason. thumb.gif

The AD2 comes with the 35X pump which would be plenty for a dual GPU and CPU (with appropriate rads). But you would have to consider what res. and location for it thinking.gif

The res. you linked would be OK for maybe a single GPU and CPU, but I would suggest looking at either the Koolance RP-1005 or RP-1200 for future proofing.

But many people with much more experience then I suggest using a tube res. to make life easier. But it depends how much effort you are willing to go to.
post #7 of 14
Thread Starter 
Well would it be ok to build the loop based on that pump since I will only have one 7970 for the start of it? Then add another in series with something like the Koolance reservoir/pump controller?

I d like silence and performance if possible. Btw the pump on the block is able to be replaced so it doesn't mean a total loss if it dies.
post #8 of 14
Quote:
Originally Posted by dsmwookie View Post

Well would it be ok to build the loop based on that pump since I will only have one 7970 for the start of it? Then add another in series with something like the Koolance reservoir/pump controller?
I d like silence and performance if possible. Btw the pump on the block is able to be replaced so it doesn't mean a total loss if it dies.

That would work, yes. As for noise, I can almost guarantee your fans will be louder than just about any pump. The MCP 655 was quieter at max speed than my fans, which were rated at 15db.
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post #9 of 14
Thread Starter 
Right now the most noisy things are my Frio cooler on the CPU and the GPU fans. Once those are gone the case fans won't bother me.

Do you think the Koolance setup would work in series, or is their a better recommendation?
post #10 of 14
Personally, I wouldn't bother with the pump/block combo. I would get the Heatkiller blocks for the 7970s the Raystorm and get a D5/MCP655 and a res combo for it. For rad space a nice 360 like the RX360 should be fine in push/pull but more rad space is always better.
    
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