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Thoughts on loop upgrades

post #1 of 5
Thread Starter 
I RMA'd my board with the back plate for my rasa attached. So I was thinking of getting a ek HF supreme instead and reusing the rasa on my wife's e8500. Given that the HF is great for high flows, I've been thinking about splitting up my loop and increasing the flow on the cpu only loop.

Right now I have 2 rx 360 rad's with pull ap-15's, 1 990x with the xspc rasa, 1 full cover motherboard block, 2 480's with koolance blocks and the standard xspc res/pump. My loop is apart though so I haven't tried all of them together to see how the cpu temps raise with the 480's (with 2 460's the cpu temps were pretty similar). Ambient temps are 20C-28C, idle temps are 22-33C. My normal loaded temps for the cpu only with the 2 rx360s at 4.9GHz are ~60C for normal work stress or 80C for linx with 4096mb (Note that I'm temporarily running with crappy tim and the 1155 socket mount).



From what I've seen my 480's are plenty for my games, so I don't need to overclock the hell out of them, however I'm always looking to extract the max performance out of the cpu as that's what limits the amount of work I can get done in a day. This was why I was considering phase for a while, however the extra power made me think maybe I should just go with a higher flow cpu loop. Also if I start playing games that need more juice, I'll take the third 480 back from my wife's computer.

I also value low noise levels so I might add more rads later rather than adding more fans to go push/pull. Noise is also the reason I'm considering adding the ram block so that I can run the case passively as my rads are external.

I was thinking of going to
Loop 1- ek hf supreme, 1 rx360, some new res maybe one of the t-virus ones, maybe ek dual serial top or xspc triple top, 2/3 pumps depending on price
Loop 2 - 480's, full cover motherboard block, ram block, xspc res/pump

Questions:
1. Is it worth it or am I going to be chasing 1-2C, 1 more bclk?
2. Which ek hf supreme is best?
3. Which pumps?
4. If a pump fails in a series vs parallel setup will it stop all flow? I.E. is a parallel pump setup safer and how much does it affect flow?
5. How many rads?
6. I'm also looking for tubing recommendation? I was dissapointed by how quickly and how much the regular tygon clear tubing discolored and stretched.
7. Should I just say screw it and go phase?
8. Alternative suggestions?
Edited by stren - 6/5/11 at 1:41pm
     
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post #2 of 5
1. I don't think so.
2. There is some quality issue with the EK blocks at the moment see this thread.
3. For the pump there are a few options, you might need 2 x MCP655 or something like the MCP35x since the motherboard chipset block is highly restrictive.
4. From Martin's review running parallel has minimal improvement over single pump, best is running them in series.
5. At least 2 radiators for your setup (2 X 360)
6. I would suggest the Primochilll LRT, since it is working well for me at least.
7. Phase change is more risky with condensation and making insulation material for all the hardwares, so is up to you.
8. If you don't like the RASA cpu block, try out the Koolance 370 cpu block.
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by prtuc2 View Post
1. I don't think so.
2. There is some quality issue with the EK blocks at the moment see this thread.
Yeah I saw some of that, I was thinking of getting the EK copper version, but not sure how they all compare except for nickel is bad right now.

Quote:
Originally Posted by prtuc2 View Post
3. For the pump there are a few options, you might need 2 x MCP655 or something like the MCP35x since the motherboard chipset block is highly restrictive.
Yeah the motherboard block was my major concern as that's never been in the loop before, that's why I thought about going for the

Quote:
Originally Posted by prtuc2 View Post
4. From Martin's review running parallel has minimal improvement over single pump, best is running them in series.
Interesting I wonder why parallel is so bad. I guess I'll do series, the risk is not much worse than if one fails I suppose.

Quote:
Originally Posted by prtuc2 View Post
5. At least 2 radiators for your setup (2 X 360)
Cool that's what I have, just wondering if more would help or if it's just overkill. I suspect if I add the 3rd 480 is I might need more.

Quote:
Originally Posted by prtuc2 View Post
6. I would suggest the Primochilll LRT, since it is working well for me at least.
Cool I'll check that out.

Quote:
Originally Posted by prtuc2 View Post
7. Phase change is more risky with condensation and making insulation material for all the hardwares, so is up to you.
Yeah I reckon I can handle the risk and do a thorough (if ugly) job and if I'm willing to spend enough I can probably even get a quiet enough one, the real question is do I want the extra continuous 400W or so and how reliable they can be for 24/7 and maintenance etc.

Quote:
Originally Posted by prtuc2 View Post
8. If you don't like the RASA cpu block, try out the Koolance 370 cpu block.
Is the koolance rated better than the HF? If I'm not going for the best I'll probably stick with the rasa, it's a really good price.
     
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post #4 of 5
Quote:
Originally Posted by stren View Post
Yeah I saw some of that, I was thinking of getting the EK copper version, but not sure how they all compare except for nickel is bad right now.

Actually the copper version slightly edge the nickel, nickel is for providing extra protection against oxidation with oxygen (air). Copper conductivity still higher than nickel.


Yeah the motherboard block was my major concern as that's never been in the loop before, that's why I thought about going for the



Interesting I wonder why parallel is so bad. I guess I'll do series, the risk is not much worse than if one fails I suppose.



Cool that's what I have, just wondering if more would help or if it's just overkill. I suspect if I add the 3rd 480 is I might need more.

With push-pull GT A-15 on the RX360 should easily handle 800w per radiator. Check out Skinnee's review. So, 2 radiator you aiming at least 1600w which probably more than your power supply can supply. Of course having more or bigger radiator can help lower the temperature.


Cool I'll check that out.



Yeah I reckon I can handle the risk and do a thorough (if ugly) job and if I'm willing to spend enough I can probably even get a quiet enough one, the real question is do I want the extra continuous 400W or so and how reliable they can be for 24/7 and maintenance etc.

Not an expert for phase change can't help you out here.

Is the koolance rated better than the HF? If I'm not going for the best I'll probably stick with the rasa, it's a really good price.

They are pretty much similar performance all the top block are within 1-2C of the Rasa, but cost is significant higher. If you interested read here.
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post #5 of 5
Thread Starter 
So if the motherboard block is the most restrictive is it worth putting that on it's own small possibly passive 120/240 loop if I have a spare pump/res? Then I could run the 480 blocks in parallel and then have a single high flow loop for the cpu & gpus. Or will beefing up the pump enough mean that I won't have to worry about the motherboard block restriction?
Edited by stren - 6/5/11 at 4:27pm
     
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