how much $ is phase-change cooling?
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Thread: how much $ is phase-change cooling?

  1. #1
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    how much $ is phase-change cooling?

    Im having thoughts about getting phase change cooling for my system.. what kind of price range is it in?

    -d94
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  2. #2
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    Are you talking about a premade kit like a Vapochill or Prometeia or something custom like a cascade using r404 coolant?
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  3. #3
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    both... would it be diffult to make one/buy components yourself?
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  4. #4
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    You'd be better off asking this at the xtremesystems.org forums.
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  5. #5
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    VapoChill LS at FrozenCPU for about $890 (this is the black, but the silver is about $30 cheaper):

    http://www.frozencpu.com/cgi-bin/frozencpu/cas-193.html



    Same price here:

    http://epowerhousepc.com/cgi-bin/sto...ogno=04-L-1050

    A little cheaper here (about $830):

    http://www.jab-tech.com/customer/pro...cat=143&page=1

    and here:

    http://www.sidewindercomputers.com/valia11.html
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  6. #6
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    Honestly, I'm usually one of those nuts who just have to have the latest and most expensive toys, but even I'd be hard pressed to see a point in such a cooling rig.

    For the price of one of those you could get a second computer nowadays, and a pretty good one at that.

    Or you could get an Athlon FX or P4-EE, whichever you prefer.

  7. #7
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    Direct Die cooling is the ultimate. Least you forget about all the work which needs to be done to condensation proof the MB.
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  8. #8
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    It comes with a fully seamed kit, insolation, and heaters to keep the condensation out. This kind of cooling will get an Athlon64 up to 3Ghz and a P4 over 4Ghz pretty easy.
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  9. #9
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    I don't know of any A64 that ever made it to 3.0 GHz, even with cascade phase change. They seem to top around 2.7, maybe 2.8, even when they're chilled a lot lower than -40C.

    So basically I still don't see it as justified. You could just get an Athlon FX-53 for cheaper than that rig and a 3000+, you know.

    And the FX may "only" do 2.4 GHz, but it does have the advantage of dual channel RAM and a larger cache over the 3000+. Which should cover a bit of the difference.

    That said, you probably don't want one for the hard drives anyway. I don't recall who had that PC in a fridge, but short story is that hard drives are actually a lot slower when cooled too much.

  10. #10
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    A company was selling retail boxes with worrenties using VapoChill LS and they had Athlon FX 51s running at 2.8 out of the box. The one I saw reveiwed said they could do 2.9 without any trouble too.

    The Evaporator will run at -40'C but the CPU under full load actually was running about -10'C at these speeds. This box is a little bit better tham the VapoChill LS, but not by much.

    They only cool the CPU, but [H]ardOCP did manage to squease two VapoChill units into one case and used the second to cool a graphics card. This took a bit of work to do, but was mighty cool non-the-less.

    Really you will have to air or water cool the rest of the system. Taking the heat of the CPU out of the case help quite a bit.
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  11. #11
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    There are plenty of 3GHz+ A64's on the 3DMark ORB. 3.2GHz is the highest I've seen one run through 3DMark.
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  12. #12
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    Re: how much $ is phase-change cooling?

    Originally posted by d94
    Im having thoughts about getting phase change cooling for my system.. what kind of price range is it in?

    -d94
    you might want to spend more time and research before actually doing the phase change. Condensation proofing is the most critcal part... and will take more time to do it than anything else. People usually go through blowing up the boards/cpu when waterchilling/phase change, but they learn from the mistakes and improve next time.

    having that said,


    deep freezer - 150 bux

    wattablock - 50 bux (it's 25 bux now)

    watta pump - 25 bux

    hose/clamps - 7 bux

    rubatax pipe insulation - 7 bux

    dielectric grease - i forgot

    vaseline - i forgot

    3M EGC 1700 special sealant

    Chamtronics conformat coating - 15 bux

    neoprene rubber - 5 bux


    How much is that total? im lazy
    Last edited by Advanced-Morgan-Duron; September 25th, 2004 at 02:27 AM.
    phase-change cooling | -30C liquid | d-tek tc-4 r2 | liquid volume: 110 litres


  13. #13
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    Originally posted by Kitsune
    Deep freezer, like what?
    like this

    phase-change cooling | -30C liquid | d-tek tc-4 r2 | liquid volume: 110 litres


  14. #14
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    not too bad, i pay about... 40 something bux a month.

    it's a 5.5cu ft. deep freezer, it's not expensive..

    it does get warm... due to heat being released from the compressor unit.
    phase-change cooling | -30C liquid | d-tek tc-4 r2 | liquid volume: 110 litres


  15. #15
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    Best Buy carries a 5.0 cubit foot cheast freezer for $159.99, but is on sale now for $20 off:

    http://www.bestbuy.com/site/olspage....8&type=product

    It does not specify how cold it can get or how much heat it can disipate, but it should do nice. Dealing with below room temps will lead to lots of issues with condensation. Closed cell foam, silicon sealant, and petrolium gelly are a must. Lots of tape to to seal everything.

    That VapoChill unit has everything you need. They have a nicely sealed package, with heaters that go on top of the CPU around the edge and cover the pins on the back side of the motherboard and peal and stick foam to cover both. It is a pretty slick package, but works quite well.

    There are water cooling kits that use TEC Peltier coolers to lower the temps more, but you generally need to get a 12-15v variable power supply just to power the TEC and they run an extra $100 or so. The TEC and insolation is another $100 likely and probably $200-300 for a water cooling kit that can handle 200-300w of cooling. TECs are not very efficiant and generate a lot of heat on the back side to be cooled by the water cooling. Really for good sub zero cooling you are looking at at least $400 on up to over $1000.

    The problem about this kind of cooling is it still does not guarentee that much more. To take a CPU that goes from like 1.8Ghz to 2.2 on air might only make 2.3 on water and 2.4 with extreme cooling. It might jump to 2.5 with water and 2.8 with better, but usually you need a motherboard that can deliver quite a bit of voltage to the CPU.
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