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First Water Cooling build help wanted

post #1 of 25
Thread Starter 
I would like to cool both my i7-950 and 2x6950's. So far i've got the GPU blocks, CPU block, and a Pump/Reservoir planed. Need to know if the pump is powerful enough and what radiators I would need. If possible I would like to fit this all in my HAF X case. Any ideas, tips and info would also be greatly appreciated.
Edited by Slain - 5/10/11 at 4:07pm
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post #2 of 25
Which pump? You linked the CPU block twice.

As for what rads, it depends on the fan speed you want to use.
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post #3 of 25
Thread Starter 
My bad link fixed and as for fan speeds I would like to keep it quite if possible.
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post #4 of 25
That pump might struggle with two GPU blocks, a CPU block and a couple of rads. That isn't to say that it won't work, it just won't provide a great flow rate. Something like a Liang D5 (MCP655) or DDC (MCP350 / 355) or Jingway 1200 (EK DCP 4.0 / DD CPX-Pro) will be better suited to your loop.

For rads, a 360 in the roof and a 120 in the base will provide enough cooling for your rig with ~1500RPM fans, have a look at either the XSPC RX rads or the HWLabs SR1 series.
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post #5 of 25
Not to be a broken record of GingerJohn, but his recommendation of a better pump is solid. I've got a HAF-X with 1 6950 block, a relatively restrictive CPU block, and a dense radiator and I've had no problems with my MCP355 with XSPC reservoir top, and could recommend it in a heartbeat in a HAF-X.

The only issue you might run into in the HAF-X is with radiator height. I've got a pretty thick radiator (HW-labs GTX360), but it's still a few mm short of the RX360, so I can get 38mm fans on two of the 3 fan spaces, but I don't think you could do that with an RX360, you'll be limited to 25mm fans, though that isn't really a problem. You can go with any radiator you'd like really. Here is some great info on choosing the right 360 rad for you, and remember that all of them will fit no worse than an RX360, but an RX360 has great performance at lower fan speeds. I've got 2200rpm fans on my GTX360, and unless I'm folding or gaming, I never hear them (they're on a temperature adjusted controller through PWM signals from my motherboard, which I HIGHLY recommend using). The 200mm fans are now louder than my radiator fans when I'm not doing something processor intensive, and the 200mm fans are pretty quiet. I regularly hear my harddrives spin up and wash out the sound of the fans; It's pretty awesome...

I'd recommend adding Primochill Primoflex tubing, and fittings are up to you. I went on the less expensive side and did all 1/2" barbs with worm-drive screw-down clamps with 7/16" ID tubing, which will be tighter on the 1/2" barbs. If you can afford compression fittings, they look better and hold better than barbs by themselves.
post #6 of 25
I'm running the XSPC X20 with 3 EK blocks on my 6970's. Running through an EK 360 Rad top mounted in a HAFX. No issues so far. Load temps on GPU's are around 45 C. Running Typhoons on the Rad.
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post #7 of 25
Thread Starter 
So this pump MCP655 and these rad's SR1 360 / SR1 120 should be sufficient. Thanks for the info and link also what fans would you recommend.
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i7-950 ASUS Sabertooth X58 XFX 2x6950 G.SKILL DDR3 1600 
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7 64 Bit Cooler Master 1000W HAF X 
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i7-950 ASUS Sabertooth X58 XFX 2x6950 G.SKILL DDR3 1600 
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7 64 Bit Cooler Master 1000W HAF X 
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post #8 of 25
Quote:
Originally Posted by heresy View Post
I'm running the XSPC X20 with 3 EK blocks on my 6970's. Running through an EK 360 Rad top mounted in a HAFX. No issues so far. Load temps on GPU's are around 45 C. Running Typhoons on the Rad.
Is that the core, vram, or shader temp? They're all about 10c different from each other. I just wonder what other people's cards are running at temp wise. Please include ambient if you could
post #9 of 25
Quote:
Originally Posted by Slain View Post
So this pump MCP655 and these rad's SR1 360 / SR1 120 should be sufficient. Thanks for the info and link also what fans would you recommend.
Those should definitely be sufficient.

For fans, I always recommend getting a ~2000rpm fan and a PWM controlled fan controller if your mobo supports PWM and you're willing to take the extra 5 minutes and learn how to set up a fan profile, and you've got $30 to spend.

You have to decide how loud you want the setup to be. Where the SR-1 shines is at LOW rpm, like <800rpm. That being said, it shines relative to other radiators at low RPMs. At higher RPMs, it's as good as other radiators at keeping the setup cool. If you're going for quiet, you should be fine running <800rpm fans, though everyone always recommends Gentle Typhoon AP-15 fans for every use, so you can't go wrong with that since it's quiet and moves a lot of air. I doubt you'll find loud fans around 800-600rpm, so you should be fine even with lower end cheaper fans (yate-loons, if they make them that slow).
post #10 of 25
Quote:
Originally Posted by Slain View Post
So this pump MCP655 and these rad's SR1 360 / SR1 120 should be sufficient. Thanks for the info and link also what fans would you recommend.
For price / performance you can't really go wrong with some Yate Loon mediums, but as you said silence is important to you, and if you want to splash out, then you can get some Scythe GT AP-15's. They are higher speed fans but are quieter than most 1500RPM ones whilst pushing more air. They usually disappear fast as they are very popular, so if you want them jump on them quick. Test results can be found here.
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Main
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CPUMotherboardGraphicsRAM
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Corsair Force 120 WD Blue 500GB WD Caviar Green 1TB XSPC RayStorm 
CoolingCoolingCoolingCooling
RX240 MCR 220 EK 7950 Copper Acetal  DDC-1T 
OSMonitorMonitorKeyboard
Windows 7 64-bit Dell U2311H Oculus Rift DK2 Ducky Shine 3 MX Brown 
PowerCaseMouseAudio
Corsair TX 750W CoolerMaster CM690 II G500 Klipsch ProMedia 2.1 
Audio
Asus Xonar DX 
CPUMotherboardRAMHard Drive
A10-6800K Gigabyte GA-F2A85XN-WIFI G Skill 1600 CAS9 Kingston SSD Now 60GB 
Hard DriveOptical DriveCoolingOS
WD Caviar Blue 1TB LG Slim Blu-Ray player Silverstone NT06-PRO  Widows 7 Home Premium 
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Silverstone Sfx Series ST45SF 450W Silverstone SG05 
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