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  1. #1
    Join Date
    Nov 2016
    Rep Power

    Ultimate cooling for CPU+GPU+DDR4

    Hello to all.
    I hope to receive advice from experienced people.
    1 CPU, 2 (or maybe 4) GPU, as well as the 8 pieces DDR4 make it difficult to direct-die at all points.

    Overall - 900 - 2500 watts heat. CPU - 250-400 watts, GPU-300-500, DDR4 - 50-100 watts.

    1) As an option - the chiller - 1 stage.
    2) It is also an option - CPU - cascade direct-die, to the rest - the chiller.
    3) Also, as an option - 3-stage cascade on CPU, or autocascad Kleemenko cycle 6 refrigerants, including argon.
    4) +add cascade chiller to rest.
    5) Stirling chiller on all,

    Also, I ask for help in choosing a compressor.
    I choose a more powerful 1 phase 230 volts.
    Here following the models that I found:
    1. Tecumseh TAG2522Z (recip 5 or 6HP)
    2. Panasonic C-SBS200H15A (rotary 5.8HP)
    3. Danfoss NTZ068 (recip 2.3HP)
    4. Danfoss LTZ028 (recip 2.5HP)
    5. Danfoss LTZ050 (recip 5HP)
    6. Copeland ZB42KCE-PFJ (scroll 5.5HP)

    Many times there is information that for temperatures below -100 C, the most favorable cycle - Stirling.
    But Stirling consumer, which would separately sold, is not found.
    Here is a man bought a cryocooler from ebay and redid it, it is clear that the power of a very little, but there is an example.

    Where can I buy separately Stirling acceptable consumer power?

    Im found Stirling Cryogenics SPC-1 Cryogenerator
    70 dB
    200-2800W @ 40-160K
    - on 113C 6500 watts consumption 2800 watts cold - COP 43%.
    But 551 kg and cost too much.

    Last edited by Kashtan; 17-11-2016 at 11:06 AM.

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