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Crossfire with Universal GPU blocks

post #1 of 18
Thread Starter 

I've decided against going full cover because of the higher cost and the fact that they'll end up as pretty paper weights when I upgrade down the road.

This is currently the block I'm looking at:

http://www.sidewindercomputers.com/swmcungpuwa1.html

I wanna try to go for a cost efficient and optimal way to set these blocks up in a crossfire configuration. One of the things I've been trying to decide on is what kind of radiator should I get to go with the set up.. I currently have an rs360 with three GT AP-15s in the top, but I imagine that would only be good enough to cool a CPU and one GPU.. I could upgrade the rs360 to an rx360 or just add an rx120.. The rx120 in the back would definitely be the preferred method here so I don't have to bother with selling the rs360.

I was looking at these barbs and wondering if they'd be any good:

http://www.sidewindercomputers.com/dthiflfi1bst.html

This is the tubing I'll be going for:


This is mostly aimed at people with 700d/800d experience: Assuming I stick with the rs360 and just add the rx120 in the back, what would be the best way to configure the gpu blocks so I don't have a ridiculous amount of tubing everywhere?

The last thing I need to consider is ram heatsinks and which ones to go with, so any advice on that will be appreciated.

Thanks
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post #2 of 18
You should be able to bend that tubing from one block to the other without it looking messy.

And those barbs will be fine
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post #3 of 18
Thread Starter 
Quote:
Originally Posted by Mr OCN View Post
You should be able to bend that tubing from one block to the other without it looking messy.

And those barbs will be fine
Thanks!

I'm just hoping that I can use a minimal amount of tubing between the blocks without any kinks..

I went with those barbs since they said "high flow" - I'm not sure how reliable that is, but I doubt they'll cause any significant restriction in flow.
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post #4 of 18
I would go with adding a RX120 into the loop, going from a RS360 to a RX360 isn't that much of a leap and the RX120 will give better results.

The way you tube it depends on your particular setup. Personally I would go RS360 - CPU - RX120 - GPU1 - GPU2, or the reverse depending on your flow direction. I think that gives the shortest flow path, but it depends on how well your tubing bends and how much space there is as to if it will work.

If not, be creative! In my loop I couldn't get the bend from CPU to the nearest port on the rear rad, so I went in the far side of the rear rad and out on the side near the CPU. OK, I could have bought some angled fittings, but as it is it works and it was cheap.
Edited by GingerJohn - 6/4/11 at 4:37pm
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post #5 of 18
Thread Starter 
Quote:
Originally Posted by GingerJohn View Post
I would go with adding a RX120 into the loop, going from a RS360 to a RX360 isn't that much of a leap and the RS120 will give better results.

The way you tube it depends on your particular setup. Personally I would go RS360 - CPU - RX120 - GPU1 - GPU2, or the reverse depending on your flow direction. I think that gives the shortest flow path, but it depends on how well your tubing bends and how much space there is as to if it will work.

If not, be creative! In my loop I couldn't get the bend from CPU to the nearest port on the rear rad, so I went in the far side of the rear rad and out on the side near the CPU. OK, I could have bought some angled fittings, but as it is it works and it was cheap.
I was thinking something similar: Pump - rs360 - cpu - rx120 - gpu1 - gpu2 - res.. Supposedly loop order doesn't matter, but that seems like the best route to go.

I just need to know what needs to be heatsinked now and the best way to go about doing it for my 6870s. I probably need to purchase a screw driver kit or something to remove the small screws from the stock heat sink.
Edited by Annex - 6/2/11 at 8:29pm
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post #6 of 18
Thread Starter 
I'm a complete noob, so can anyone list to me the areas where I will need to put copper/aluminum heatsinks?

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post #7 of 18
You should get EK VGA Supreme HF's instead. They're only about $10 more expensive too. The Swiftech MCW series blocks are crap. The XSPC Rasa GPU block performs better and it's in the same price range too, if you are on a budget.
post #8 of 18
Quote:
Originally Posted by Annex View Post
I'm a complete noob, so can anyone list to me the areas where I will need to put copper/aluminum heatsinks?

post #9 of 18
dont forget to put sinks on the 'grey' inductors.. they will get very hot when pulling loads at OC'd GPUv & speeds.

*I run MCW60's.. the old Swifty versions.. they are great regardless of what folks say about performance. GPU blocks are more about your rad and flow rate than block performance. I idle at 36c and load at 44c with a MCW60 cooling a 6950 @ 1050mhz core.
post #10 of 18
Quote:
Originally Posted by CL3P20 View Post
dont forget to put sinks on the 'grey' inductors.. they will get very hot when pulling loads at OC'd GPUv & speeds.

*I run MCW60's.. the old Swifty versions.. they are great regardless of what folks say about performance. GPU blocks are more about your rad and flow rate than block performance. I idle at 36c and load at 44c with a MCW60 cooling a 6950 @ 1050mhz core.
Did you take a look at the review? Amongst about 10 other universal GPU blocks, the MCW80 had the worst flow rate.
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