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Poll: Which heatsink+fan?

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Thread: Which Heatsink+fan?




  1. #11
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    Well they're still being sold here in Australia so I would imagine that someone in the US would still carry them. :smokin:
    <center>:cheers:</center>

  2. #12
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    May 2002
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    Zeradul, heatsinks disigned for performance don;t have to made out of copper..y is the alpha PAL and swiftech made with a copper base and aluminum pins? bcos copper absorbs heat and conducts it better while aluminium dissapates heat better:) .....incidentally aluminium is much lighter. cheaper to mine and cheaper to machine....lol imagine if the mcx462 was all copper....i'd pay even more than the ridicoulas $175 when i bought it:cheers:
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  3. #13
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    May 2002
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    Just a follow up on my problem with the ZALMAN CNPS 5500Cu heatsink/fan.

    ZALMAN has offered to supply me with a new CNPS6500B-AlCu setup to replace the 5500Cu. I sure hope this one works better.

  4. #14
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    May 2002
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    well good luck with it:thumb:
    Epox 8RDA+
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  5. #15
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    Nov 2001
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    while aluminium dissapates heat better
    Nope. As far as heat sink construction, aluminum has NO advantage over copper other than density. (and price if that counts... AL is cheaper)

    If they thought they could get away with their design made out of purely copper, they would. And it would perform MUCH better. As you said, copper is much more dense, and therefore the popular (or at least expensive) design you speak of simply would weigh far too much.

    The ONLY way that the design you mention performs well is due to the MASSIVE CFM capable fans they use. A very popular Alpha PAL model (not sure on exact model #) only defeated the OCZ Gladiator by half of a degree in anandtech's most demanding benchmark, and it had a fan capable of MORE THAN DOUBLE the CFM. (not to mention TRIPLE the retail price (!!) )

  6. #16
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    May 2002
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    reallY hmm....well all i know is the swiftech mcx 462 is still the BEST performer compared with any other cooler using the same fan....weather it's a 80cfm or a 30cfm
    in fact all the best performing ones such as the ax7 and alpha PAL alos have aluminium construction.....although the volcano 7+ is all copper and almost as good as an alpha PAL...although i have to admit i don't know enuf aobut the gladiater to to make any comments on it...
    :cheers:
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  7. #17
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    There are a few reasons that design is popular. It looks cool. Its easy and inexpensive to manufacture. Using purely massive amounts of CFM do cause it to be effective, (even in the average geek's less than perfect air flow situation) It does this with added size, and therefore added surface area.

    And with that said, I highly doubt any design that you mention would outperform a gladiator on a low CFM scale (quiet) Somewhere in the range of 20-25 cfm, I doubt any current heatsink can outperform a gladiator.

    The Gladiator is basically a slightly smaller version of the Volcano 7+, except it does not have the inefficient gap where the clip is on the volcano.

    I was thinking about this some more last night, and if you think about what you said, I think you will agree. Conducting, and dissipating are the same Thermodynamic principle. There is no difference despite one instance being metal to metal, and one metal to air. And in that case, copper is 35% better heat conductor. Better than everything, except silver, which out performs it by about 1%.

    The next step in heatsinks is to design them with ways that duct the air through the apparatus, not just force onto the aparatus. Think of melting an ice cube that sits on a table, and pointing the fan down over top of the ice cube, versus making a tunnel around the ice cube, and flowing air around it. This is another proven and implemented method used by all air conditioners, refrigerators, etc. (there are a few refrigerators that are exceptions to this)

    The trick is to design a method that isn't huge and still can support itself by the little socket clip...

  8. #18
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    May 2002
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    lol ok you have me convinced about the benefits of copper....:afro: ...btw how much does the gladiator sell for anyway?
    :cheers:
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  9. #19
    Join Date
    Nov 2001
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    New York
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    I just got the Thermalright AX-7 with the Thermal Take Temp Controlled Fan from the Volcano 7....its great...its at 2700rpm and my cpu is at 1333 right now...but its very quiet...im coming down from a Delta fan...so its a great relief...im probably going to get an XP CPU just for the cooling reasons...probably an 1800+...anywayz...just my 2 cents...peace

    FiReBlaZR
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  10. #20
    Join Date
    May 2002
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    Default

    good stuff:thumb:
    Epox 8RDA+
    xp2100@ 2.46ghz (214x11.5)
    Radeon 9700 pro
    512mb corsair xms3200 5-3-2-2@214
    512k ADSL
    SLK-800 HSF
    SB Audigy + Ultrasone HFI650DVD
    modded case: 2x120mm,4x80mm
    40GB Seagate Barracuda 4
    Sony trinitron 17"
    Antec Trupower 380W
    3D mark2003 : 5050

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