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4 120.1 Radiators in series?

post #1 of 8
Thread Starter 
Ok, I am planning a custom water cooling loop for my new Haswell based pc and I am in the process of finding parts for the loop. I plan to use the new Maximus VI Formula water block along with a CPU water bock and at some point down the line, a video card block. With this in mind, I am planning to have as much radiator surface area as possible. Unfortunately, my case can only fit a single 120 radiator in the front and either 3 single 120's or a double 120 on the top. I decided that it would be best to have as much surface area as possible I figured the 4 single 120's would be the best. My question is how should i plan to hook them up. I read that parallel reduces the heat transfer and series in my mind seems like it would reduce flow especially with 4 radiators. What do you guys think, has anyone dealt with this before? Anyway, here is what I have so far for a parts list. This is my first custom water loop so I am all ears for any recommendations or suggestions.

Resevoir
http://www.ekwb.com/shop/reservoirs-and-acc/res-pump-combo/ek-ddc/ek-ddc-x-res-140-csq-black-acetal.html
Reservoir Holders
http://www.ekwb.com/shop/reservoirs-and-acc/reservoir-acc/ek-res-x3-series/ek-res-x3-holder-60mm-2pcs.html
Pump
http://www.ekwb.com/shop/pumps-and-accessories/pumps/laing-ddc-pump-12v-ddc-3-25.html
Tubing
http://www.ekwb.com/shop/accessories/tubing/11-12mm-7-16-1-2-id-tubing/tube-primochill-primoflextm-advanced-lrttm-11-1-15-9-mm-crystal-clear-1.html
Fittings
http://www.ekwb.com/shop/accessories/fittings/compression-fittings/ek-csq-fitting-12-16mm-black.html
Right angle Fittings
http://www.ekwb.com/shop/accessories/fittings/adapter-fittings/ek-psc-adapter-90-g1-4-black.html
Radiators
http://www.frozencpu.com/products/4061/ex-rad-80/Black_Ice_GT_Stealth_120_Radiator_-_Black.html
CPU Block
http://www.ekwb.com/shop/blocks/cpu-blocks/ek-supremacy-acetal.html
post #2 of 8
Don't connect 4 GT stealth rads in series, it will kill your flow rate.
Thin rads create more restriction than thick rads, plus the BI stealth use very narrow tubes inside the radiator that makes the restriction even worse.
The BI GT Extreme is the thicker version of the same rad that uses the same narrow tubes but twice the number of tubes in each direction and its restriction is nearly 1 PSI at 1 GPM ... the stealth's restriction will be much higher.
Kusanagi
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Kusanagi
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post #3 of 8
Thread Starter 
I think I may just do a double on top and a thick single in the front. Would this be sufficient for a 4770k OC to 4.5, the mobo, and a gpu?
post #4 of 8
What case are you building into? It sounds like an older one not specifically designed for watercooling, so I'm gonna guess that slim rads up top is required due to low clearance above the motherboard. I know that when I did my build in my Cosmos 1000, those were the only style rads that would fit in that position.

That being said, Jakusonfire has a point about the restriction impact from four GTS rads, although it won't be a problem if your pump can handle it. So if you are locked into slim rads because of your case, the answer might be to upgrade to a stronger pump if the specs show that it isn't up to the task (for the record I have no idea if it is or isn't).

Anyway, IMO a better choice altogether would be to put a single 280 in the upper position. If three separate 120's fit, it's likely a 280 will too. More importantly, I think connecting three individual rads together like that is going to be a pain to assemble and bleed/drain.

BTW for a relatively simple loop like you're constructing, there's nothing wrong with connecting everything in a simple series loop.
Blinky
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post #5 of 8
Quote:
Originally Posted by s28400 View Post

I think I may just do a double on top and a thick single in the front. Would this be sufficient for a 4770k OC to 4.5, the mobo, and a gpu?

Sounds ideal. The general rule of thumb is one 120's worth of rad for the CPU, one for each GPU, and one extra. More is always better though thumb.gifbiggrin.gif

For the purpose of counting rads you can ignore mobo blocks etc. since they don't really put much heat into the system.
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Blinky
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post #6 of 8
Thread Starter 
Yeah I am building off of the dell alienware area 51 case. It is a pain to work with though, but beautiful when it is all done and together. I am currently doing a build log on it as well. The reason it won't fit the triple 120 rad is because it has this removable fan tray at the top of the case. Unless I can get three fans with a thickness of 1.5 inches to raise the rad out of the tray, then I will have to stay with the double rad. Even then, it would have to be a very slim rad. I was going to try and mod it to fit the triple but the motor for the active venting system and the gearbox was in the way and couldn't be moved. The 280 wouldn't fit because there are no mounting holes. Also, do you think that a 90mm radiator would be beneficial or should I not waste my time with that? Thanks for all your help by they way, it has really helped me so far.
post #7 of 8
Can't wait to see the build log! thumb.gifDo you have anything posted yet? edit: I just found it after hitting send, looks AWESOME so far, although the opportunity cost exacted by occupying your pool table is pretty steep biggrin.gif

Also looks like you're going to have cat hair all over everything! eek.gif
Edited by threephi - 6/8/13 at 11:49am
Blinky
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post #8 of 8
Quote:
Originally Posted by s28400 View Post

Also, do you think that a 90mm radiator would be beneficial or should I not waste my time with that? Thanks for all your help by they way, it has really helped me so far.

It's worth considering if it's more practical in terms of fitting it in physically, so long as you still have the proper amount of total radiator surface area.
Blinky
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