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bunch of questions for loops

post #1 of 8
Thread Starter 
see my sig rig? well right now my gpu and cpu are being cooled by 1 swiftech triple rad and 1 d5 pump, i already have a dual res so im going to upgrade to dual loops (since i can see the restriction in the flow of the loop since i got my gpu block)
heres what i have:
D5(mcp655), siwftech triple rad, and an xspc double bay dual res

so here are my questions:
1. do i use a 3x120 for the cpu or gpu? the 2x120 will be cooling the other
2.a. should i get another D5 or a DDC? leaning towards D5 since i have the room
2.b. should i get a ek dual D5 top and get rid of my bitspower top v2? or another bitspower top?

i can see the decreased flow in my res so i know that if i add another rad it will just choke it up too much... thanks for any and all help guys!
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post #2 of 8
Of course you'll see a decrease in flow when you add components to your loop but with only 2 blocks and a rad on there I'm sure your flow is still more than adequate. As long as you stay above 1 gpm flow you're fine.

I'm all for overkill, but I bet you won't see a real big temp difference by splitting the loops. But if you're bound and determined then use the 2x120 for the cpu and the 3x120 for the gpu. The good thing is that if you ever decide to add another gpu then you have plenty of rad available.

As far as pumps, the difference between the D5 and DDC is so marginal that it really comes down to preference. I'm a fan of the DDC's since they're so small, quiet, and with an aftermarket top perform a bit better than the D5's.
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post #3 of 8
Quote:
so here are my questions:
1. do i use a 3x120 for the cpu or gpu? the 2x120 will be cooling the other
2.a. should i get another D5 or a DDC? leaning towards D5 since i have the room
2.b. should i get a ek dual D5 top and get rid of my bitspower top v2? or another bitspower top?
1. It's all up to you. Preferrably you'd use the 360 rad on your CPU. A 240 rad is more than sufficient on a 5870.

2.a. Both will work well. Let your wallet decide. Personally I'd get the D5. I love those pumps.

2.b. Doesn't really matter IMO.

You have good quality components there so, depending on your fans ofcourse, it doesn't really matter how you do it. You could slap 6 rads on a D5 if you wanted. Rads aren't restrictive at all compared to other components in a WC system. People tend to see them as restrictive because of their size etc. Don't listen to the hype. Small blocks, fittings, y-connectors etc. are far worse.
post #4 of 8
Quote:
Originally Posted by kimosabi View Post
1. It's all up to you. Preferrably you'd use the 360 rad on your CPU. A 240 rad is more than sufficient on a 5870.
Why would you recommend he use the smaller rad for the gpu? It puts out way more heat than the cpu.
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post #5 of 8
Because the CPU is usually the one that gets hammered with high voltages. You need better margins on the CPU than the GPU. A 240 with good fans on it would even be sufficient for two 5870's.
post #6 of 8
Thread Starter 
i have GT 3 ap-15s and 3 cm 4r's (pretty lights on the outside) and i would probably get 4 GT ap-15's for the 240 rad, i plan on getting another gpu in a couple months for xfire so maybe i should do the triple for my gpus for now so i dont have to drain my cpu loop later? 1 240 rad should be plenty for just my cpu right?
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post #7 of 8
Quote:
Originally Posted by twich12 View Post
1 240 rad should be plenty for just my cpu right?
Yea, it should be fine.

On a side note...I laugh myself to tears whenever I read that first quote in your sig .
Edited by R00ST3R - 6/10/10 at 4:26pm
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post #8 of 8
Thread Starter 
will be doing 2 loops but with combined reservoirs.. thanks for all the help!
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