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SG08 ITX Watercooled

post #1 of 10
Thread Starter 
Hi guys,
I have been using OCN as a very good and helpful source when setting up my watercooled sg08, so in return I would like to share how I fitted the parts in this tiny case.

PC Components:
Asrock z77e-itx
3570k
8 gb 1866 ram
GTX 680 2gb reference model
2 2.5" SSDs

Watercooling:
280 mm alphacool xt45 radiator
alphacool dc-lt pump
ek supremacy cpu
ek supremacy vga
20 tiny passive heatsinks for vga
11/8 mm (5/16" ID) tygon tubing with anti-kink coil
some straight and 90 degree fittings
filters for intake
2 140 mm scythe glide stream fans, pwm

So one of the first considerations is radiator space, ideally as much as possible. The 280 mm radiator *just* fits into the top part of the case, when the ODD is removed (what is a dvd?). However, mounting needs custom brackets, I had mine made by a friend. The air intake also needs to be improved, as there is only stamped holes in the case for the original top 180mm fan. I drilled alot(!) of tiny holes, attempting to keep the look of the case, a few misses but nothing you would really notice. The case cover and the brackets still need to be painted black...
GPU and CPU blocks fit very well, but routing tubes is a bit of a hassle. 90d fittings really are necessary here! Anti kinking allows the sharp bends needed for going to the gpu.
As for the pump, the alphacool seems the only choice given its very small volume, it is quite silent when tuned from max rpm at 3700 to about 2400. The pump manages to give an assembled system-flow of 1.0 L/min. Not high, but still sufficient for this build.
I assembled the loop with one hose of the gpu block and submerged the two openings in a tall 1 L container with distilled water. Bleeding this took about 30 min, and the loop was closed off under water. About 3 weeks in now, no problems with trapped air.
The pump is covered in foam to silence and decouple it a bit.


Temp wise the gpu runs at a deltaT of 25C under furmark, at a clock of 1250/7200 mhz. Usual temps for the gpu in bf3 are about deltaT 20-25C. CPU is ivy, so its always toasty at a deltaT of 40-50C running 4400 mhz at 1.2vcore.
From temperature relaxation of the gpu, I estimate the water temp in furmark to be around at a deltaT of 13-15C, with fans running at 850 RPM. This is very silent indeed.

I hope this can inspire others to use the sg07/08 for watercooling, as its really the smallest you can go while retaining enough rad-space to get a silent cpu+gpu loop.







post #2 of 10
Hi and welcome to OCN!

Awesome first post... lucky I didn't see this a few weeks ago... otherwise I wouldn't have got the SG05 and squeezed a water-cooler in that. I need to copy you and get a finished build log up! That really is the smallest you can go - sorry!

I really hope this inspires others and that you are very happy with your little beast.

Cheers,

DB
post #3 of 10
That's excellent. Great temps as well. Would like to see more pics of the custom work on the rad mount.
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post #4 of 10
Thread Starter 
Quote:
Originally Posted by WiSK View Post

That's excellent. Great temps as well. Would like to see more pics of the custom work on the rad mount.

Thanks, I am very happy with the build smile.gif

The mounting for the rad is just the aluminum plates you see in the pics, each with a double bend to bring the rad close to the roof of the cabinet. They are mounted at the screw holes intented by silverstone for the orig. 180mm fan and the ODD mount. I am not gonna disassemble it for a while, so sorry no more pics for now..
post #5 of 10
I really like your build. thumb.gif . Is rad air channeled into the PSU? Or is its inlet toward the outside of the case? Also are you running a res or just T-line?
 
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Intel 3220 Intel DQ77KB Integrated. What. Corsair 1x8GB Laptop Memory 
Hard DriveOSPowerCase
Plextor 128GB mSata SSD Ubuntu Delta PA-5M10 None. 
CPUMotherboardGraphicsRAM
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Hard DriveCoolingCoolingCooling
Samsung 830 128GB SSD XSPC EX120 + EX240 XSPC Raystorm Copper EK FC570 GTX SE (rev. 1.1) 
CoolingCoolingCoolingCooling
Swiftech MCP35X pump 3x GT AP-15 fans Tecnofront nano res one million bitspower fittings 
OSMonitorPowerCase
Windows 7 Dell U2410 Silverstone ST45SF-G Scratch built 14.75L prototype 
CPUMotherboardRAMHard Drive
Intel i7-3770k @ 4.8GHz [DELIDDED] ASRock Z77E Samsung Low Voltage 2x4GB Crucial M4 128GB 
Hard DriveCoolingOSMonitor
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by She loved E View Post

I really like your build. thumb.gif . Is rad air channeled into the PSU? Or is its inlet toward the outside of the case? Also are you running a res or just T-line?

The rad exhasts by blowing down onto mobo/psu, exiting through the mesh on both sides - really not restrictive compared to the rad itself.
The psu draws in air from the bottom and exhausts through the mesh, so the rad and psu are cooled in parallel.

No T-line, no res - just assembled with one hose off the gpu block and kept the two ends submerged while bleeding. A reservoir is fairly unneeded in my build (not to mention space wasteful), besides I can top it off using the rads extra inlets if required at some point.
Edited by hybster - 10/16/12 at 3:02am
post #7 of 10
dude thats amazing. welcome to ocn biggrin.gif
post #8 of 10
This is insane! In a good way... thumb.gif
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POLARIS
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Intel 3570k 4.5Ghz 1.25v AsRock z77E-ITX XFX Reference 2GB 6950 1015/1500 1.255v 8gb Gskill Trident X 2400 C10 
Hard DriveCoolingOSMonitor
Samsung 830 128GB Ek Supreme HF White Acetal/EK FC 6970 Windows 7 Dell U2913WM 2560x1080 
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Audio
Creative Aurvana Live! 
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post #9 of 10
Thanks for posting this build!

I'm currently feeling out the options for doing a SFF build. I thought I'd have to at least go with the SG09, but this build has given me hope! I know that this is an older thread, but maybe there are updates, or if nothing else someone else might find this really helpful. I'm going to study the pics even more in depth, and if I end up building a bad-assed watercooled SFF system like this, I'll be posting here on OCN.

Thanks so much for sharing!
post #10 of 10
Thread Starter 
Quote:
Originally Posted by Dr.GumbyM.D. View Post

Thanks for posting this build!

I'm currently feeling out the options for doing a SFF build. I thought I'd have to at least go with the SG09, but this build has given me hope! I know that this is an older thread, but maybe there are updates, or if nothing else someone else might find this really helpful. I'm going to study the pics even more in depth, and if I end up building a bad-assed watercooled SFF system like this, I'll be posting here on OCN.

Thanks so much for sharing!

Happy to hear that you want to go small smile.gif

If you have questions or I can help in any way, please ask!

The completed build is right here:
http://www.overclock.net/t/1340601/sg08-watercooled-280-mm-radiator
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