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Author Topic: Cheap Water-block !!! (liquid cooling bounty?)  (Read 2381 times)
Transisto
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May 24, 2011, 04:11:24 AM
 #1

I wonder how cheap a GPU waterblock could be produced in 1000 quantities.

I'd have a much better use of hot water in a pipe than a hot air in a noisy room.

It would definitely be easier to produce cheaply than building custom ASIC, (as others have suggested bounty for)

Price range from 20$ for obsolete model, up to 150$ for high end stuff including peltiers.

I bet it can be much cheaper to make than the air cooler of most cards,
 Now if only GPU board maker could sell their card naked for 20$ less.

Do want http://www.amazon.com/VID-AR587-Radeon-5870-Rev-2-0-nozzles/dp/B004WJRBS4, but cheaper.
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Basiley
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May 24, 2011, 04:37:18 AM
 #2

sure, you can grow food from such hot air amounts Tongue
peltiers-backed variants consume more power by itself, added to exhausted and not reliable enough[yet], IMO.
actually cheap[and with improved integrity/reliability] phase change systems[yep, like used in you freezer] and liquid metal cooling is more perspective.
water is very efficient buy unsuitable for mass-used coolers, coolant, IMO.
something biologically/chemically and [dielectric ally]more neutral will fit more. but no [serious]R&D done yet this way.
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May 24, 2011, 05:02:26 AM
 #3

sure, you can grow food from such hot air amounts Tongue
peltiers-backed variants consume more power by itself, added to exhausted and not reliable enough[yet], IMO
I was more thinking on heating a pool with it.  In the winter it's much less of an issue.
minerX
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May 24, 2011, 08:49:27 AM
 #4

What exactly are you trying to do?  Anyone that has the capabilities of making a water block probably won't be giving it away cheap.  And I think you'll find that most people who water cool won't dare try some half ass piece of jury rigged hardware. 

I've seen people heat their bathroom floors with piping from their water cooling PCs but a pool would probably be impossible.
Sukrim
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May 24, 2011, 09:44:02 AM
 #5

I've seen people heat their bathroom floors with piping from their water cooling PCs but a pool would probably be impossible.
http://www.youtube.com/watch?v=ioCZojN4A0g

If you want to heat anything other than demineralized water + additives against algae etc. I would highly recommend using a heat exchanger and heat your pool/floor/house/waterbed with this.

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SlaveInDebt
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May 24, 2011, 09:55:45 AM
 #6

MCW-60-80-82's are all thats needed for any ATI 4series and up regardless of reference or after market pcb's.
It may not be a horrible idea to contact Gabe at Swiftech about bulk price's.
http://www.swiftech.com/mcw82vgawaterblock.aspx

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Sukrim
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May 24, 2011, 10:01:26 AM
 #7

MCW-60-80-82's are all thats needed for any ATI 4series and up regardless of reference or after market pcb's.

You'll be running 24/7 with nearly 100% load... this might fry your mosfets easily if you don't cool them properly. This creates noise + hot air again though.

My calculations for water cooling were ~100€ per GPU for the cooling blocks and ~300€-350€ for the radiator, pump, fans and other stuff. Since right now difficulty is shooting up that far, it doesn't really pay off anymore though.

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SlaveInDebt
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May 24, 2011, 10:15:08 AM
 #8

MCW-60-80-82's are all thats needed for any ATI 4series and up regardless of reference or after market pcb's.

You'll be running 24/7 with nearly 100% load... this might fry your mosfets easily if you don't cool them properly. This creates noise + hot air again though.


Your right but I would assume people would have enough sense to reuse stock back plates and or heatsinks along with some air flow over the cards.

The cost you suggest dont make it worth while to my budget, however ~$35 a piece for MCW-82's does. Say you have 8 gpu's to cool one could manage a car radiator, several pumps or one large one, and hose etc for ~$350 for the whole setup. That could be worth while though I think most would opt to stay on air and buy another gpu or two.

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Basiley
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May 24, 2011, 12:02:54 PM
 #9

BTC mining commercial efficiency will drop, even if BTC price will rise[and its probably get at least one more digit], but if GPU horsepower stay demanded outside BTC mining, you can invest in watercooling then.
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May 24, 2011, 12:28:42 PM
 #10

Better idea would be to order remaining Radeon 58XX cores and create a mining specialized graphics card. With minimal memory, no DACs, connectors, etc.

Fitting into PCIe1x, with integrated water cooling. You could place more than two cores on single board.



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Basiley
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May 24, 2011, 12:37:49 PM
 #11

Better idea would be to order remaining Radeon 58XX cores and create a mining specialized graphics card. With minimal memory, no DACs, connectors, etc.

Fitting into PCIe1x, with integrated water cooling. You could place more than two cores on single board.



with nearest complexity grow its hardly can be profitable over GPU whatever resource you use, very quick.

Transisto
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May 24, 2011, 05:14:52 PM
 #12

thanks, that MCW82 make a lot of sense,

I am aware that I need to cool the rest of the card, As for algae, I would think the pool water is already chlorinated for this reason.

Quote
Better idea would be to order remaining Radeon 58XX cores and create a mining specialized graphics card. With minimal memory, no DACs, connectors, etc.
lol, That sound easy to do with some solder here and duct tape there...

I've seen people heat their bathroom floors with piping from their water cooling PCs but a pool would probably be impossible.
Hint : The goal is not to heat the pool but to cool the GPUs.

Competition here made people very good at discouraging others.
Ps: Just try not to spread too much bullshit while doing so.
Sukrim
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May 24, 2011, 05:25:31 PM
 #13

As for algae, I would think the pool water is already chlorinated for this reason.
And urinated too!  Wink

You just don't want to have pool water in your computer, heat exchangers are no rocket science!

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Basiley
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May 24, 2011, 05:50:03 PM
 #14

some guys experimenting with such kind of cooling, but they use organic oil for cooling, with [almost]full PC submerge in it.
actually there is nothing suitable in automotive/home chemistry shop for sale, while scientist got pretty interesting liquids,s sometimes[4 such purpose]
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