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questions about watercooling a SFF

post #1 of 10
Thread Starter 
well I am getting ready to update my 1U mini itx case with new z77 board and I7K I had thought about machining a custom heat sink and using a laptop fan to cool it but I have also started considering a water cooled setup and have some questions. I have never done a watercooled computer before but it doesn't seem to hard. I always thought ..... water + elec + Me = very bad idea but stilling thinking about doing it anyway biggrin.gif

Please keep in mind form my MOBO to the top of the 1U case I only have about 1.25" clearance I will also have to remove my second harddrive and cut the cradle in half to put in custom radiator inside the case I don't really want anything outside the case.

1) looking online I have found water blocks but they are alum or plastic with copper plate , isn't there a whole copper water block that someone sells (I'm think this would be better for max effectiveness)

2) preferably (I think) copper but do they make a LOW profile water block that has the pump reservoir as one unit to save space?

3) Tubing --- I want to use 1/4" copper tubing to make a custom fit radiator and also would like to run hard lines to the water block and separate pump if need be. I thought I mite have to spray clear arctic or just some clear tube over the hard copper lines to prevent any chances of a power arc but other then that is there any reason I can't use all copper tubes (or alum if I have to use a alum water block) I know 1/4" is much small then 1/2" I see on most of what I have read so far but 1/4" is about as big as I can fit inside this case and it would allow me to make a custom radiator to a special shape for this case.

4) IMPORTANT -- when this computer is in the shop it sits flat like its was designed to do, BUT when I bring it home it hangs on its side. My concern is that the reservoir would leak when hanging sideways are they normally pretty secure? has anyone had a sideways mount res before?

5) can one pump cool ram and cpu or do I need two? (worried about space to put them)

6) if there is no such thing as a low profile water-block/pump combination unit , then what is the smallest physical size pump/res combo or at least small enough to fit in my 1U case


thanks in advance for the advice .
post #2 of 10
Swiftech makes some low profile blocks, for 1U applications specifically.
http://www.performance-pcs.com/catalog/index.php?main_page=index&cPath=59_971_498_493
As long as the fittings on the res are tight the water will not leak. You will probably have bubble issues though.
One pump is fine, the only thing that would fit in there is a DDC.
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post #3 of 10
Thread Starter 
thanks I'll go look at there blocks
post #4 of 10
Be careful some of them have NPSM threads, do your research. Good luck, I would love to see a buildlog of this BTW biggrin.gif
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post #5 of 10
Thread Starter 
I try to do a build thread when I get it done with some pictures.

that DDC looks like it will be way to big at 70mm its about 1" to tall for me
post #6 of 10
DDC's are only 30mm tall or so, more with a top. Unless you mount it sideways then it's 62mm square.
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post #7 of 10
Thread Starter 
ok I was looking at the ddc with pump/tank and top combo I'll look back at just the pump


bottom of my case to top of my case is just 1.75" so there be no sitting it sideways except when the case is hanging sideways
post #8 of 10
As far as your tubing, there shouldn't be a problem using copper pipes as tubes, but you probably should coat it with something so it won't short anything out.
The problem you'll run into though is that it'll be hard finding ways to connect the copper pipes to the blocks or other components. there are other build that have used rigid pipes, but I have no idea how they managed to connect the pipes to the components.
Maybe a plumber would know how to connect a pipe to a G 1/4 thread?

It may be easier if you just use some tubing though. You wouldn't have to worry about any short circuits and connecting components are really easy.
But if you're going to use barbs, dont forget that you'll need some clamps, which could take some valuable space.

or you could go with what other people do and use slightly smaller tubing for their barbs, which makes a really tight fit
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post #9 of 10
Thread Starter 
I believe G1/4" is a metric thread with 19 threads per MM (please correct me if i am wrong)




Well I found the copper waterblock I wanted there for like $93 with the 1155 plate , thanks for that link biggrin.gif 20ft of 1/4" x0.30" copper tube is about $18 locally but still need to find some copper low profile 90 fittings with the G1/4 thread on one side and compression fitting on the other . I seem to find them all lots of other materials just not copper:mad: anyone have a link ? I also need two copper junction block with three plugs each any links where to find? if not I can machine that but easier to buy ready made.

Picture
http://www.performance-pcs.com/catalog/images/products/HK3-1366_01.jpg

Water block Details
http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=59_971_498_495&products_id=26574
Edited by goldhunter2 - 4/26/12 at 9:22am
post #10 of 10
Koolance makes fittings specifically for pipe:
http://www.performance-pcs.com/catalog/index.php?main_page=index&cPath=59_346_203_474
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