does external laptop fan works?????

Discussion in 'Accessories' started by nogocchumi, Aug 13, 2005.

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  1. nogocchumi

    nogocchumi Notebook Geek

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    does it work? Anybody ever tried it? How many degree C down after use?

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  2. Vindicated

    Vindicated Notebook Geek

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    Depends. I personally don't think their worth it. They use up power, create noise, and they really only work if your laptop intakes air from the bottom. Some people have great success with them, most people view them as little more then novalty items. I'd say get a Lapinator lap desk which uses passive cooling (really aimed at protecting your lap more then cooling your laptop) and explore the free benefits of undervolting.

    And rememeber that its normal for notebook CPUs to run a little hotter then their desktop counter parts. A laptop can take it. It's your lap that usually suffers the most. Worry more about protecting that - after all that's where your mojo power gets made. You don't want your mojo factory over heating and having power failers down the road now do ya?
     
  3. nogocchumi

    nogocchumi Notebook Geek

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    where to get lapinator?
    Mainly I don't too concern with my lap because I rarely put a computer on my lap. My main concern is that if you see my other thread my w3v doesnt have fanhole on bottom and hard drive gets warm.. even thought it is not something uncomfortable but it would be better if we know that the cpu is actually cooler..
     
  4. Spare Tire

    Spare Tire Notebook Evangelist

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    Lapinator doesn't use passive cooling. In fact, it only isolates the heat and prevents it from reaching your lap. The heat is reflected back to your laptop so your laptop gets even WARMER than it would without. It's like putting hot drinks in a thermos to keep the warmth from leaking out.
     
  5. mtrivs

    mtrivs Notebook Evangelist

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    I have the vantech Lapcool2. I use it all the time and it cools my laptop a ton. Just idleing, the fans cool my laptop to a frosty 27C as opposed to the 32C it ususally runs at. I would say it is worth it, because my laptop only gets a little warm, but not hot.
     
  6. Killer Dwarves

    Killer Dwarves Notebook Enthusiast

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    Yes they apparently work. There are a number of reviews out there that have measured big differences in temperatures.

    I'm looking into this as well and am leaning toward a bytecc model. 3500 rpm and has an air flow of 40 cfm. Fits a 17" laptop. Nice angle.

    http://www.byteccusa.com/product/cooler/nc-500.htm

    Depends on you laptop size too. Vantec seems to work well with 15" laptops.
     
  7. nogocchumi

    nogocchumi Notebook Geek

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    wow your laptop only runs at 32C?? Is that the CPU or HDD? My computer CPU runs about 50-ish normal usage with CHC.. (i've seen it went crazy 'til heat reach 87C -maybe playing games) and HDD 42C-52C rough.

    hmmm I might get cheapy cheapy one on ebay.. $9 total w/ s&h, but from HK.. I dont know about the quality, but I guess it should be fine... :)
    unless someone could show me somewhat as cheap as this? or higher a lil bit is fine as long as proven quality.
     
  8. nogocchumi

    nogocchumi Notebook Geek

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    and what should we look in buying these(other than physical)? 3000 RPM is good?

    also, is it better 3200-3500 rpm 2 fan/30cfm/21dbA
    or 300rpm 3 fan/40cfm/25dbA?

    mtrivs, yours vantec lapcool2 is the one on top of this page.. that's my first choice and that also the very first laptop cooler I saw it's really really look nice with usb 2 and places for cables/ stuff.. but just too expensive :(

    I dont think I ever complained with the heat under the palmrest, but I just happy when my pc is cool, as I rarely shuts down my pc.. :p



    EDIT: I found this on an auction.. can anyone explain what this thing do (except the fact it blows 2 fans to the empty air)? :p
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  9. tradeoffsdrivemecrazy

    tradeoffsdrivemecrazy Notebook Enthusiast

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    I use one regularly and wouldn't think of normal use wihtout it.
    I am interested in "better" : quieter & hand-position-friendly.

    Antec Cooler is what I've got for an HP dv1000 (Centrino 1.6 mhz)
    it has 2 fan settings - H & L
    on Low the fan is distinctly less noisy but temp is warmer
    on High the temp under left palm is barely warmer.

    With a Dell Inspiron, this makes a huge difference in heat under left palm.
     
  10. tradeoffsdrivemecrazy

    tradeoffsdrivemecrazy Notebook Enthusiast

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    Websites found -

    Newegg has a dozen or so products, often with specs,
    but usually a few user reviews. http://www.newegg.com/Product/Produ...&Category=0&minPrice=&maxPrice=&Go.x=0&Go.y=0

    HardwareCooling has a long list:
    http://www.hardwarecooling.com/default.php/cPath/33
    and some have a Review at clicked-on page.

    Features to notice:
    - alum. vs. plastic (alum. pulls away heat by contact)
    - wide/deep size - some reviews wish for wider or deeper)
    - extra ports: usb, sd card reader, ..
    - USB powered (most) or brick/ac
    - USB power requirement - one had sort of warning that it draws a lot.
    - pass-thru USB connector (so it doesn't block a USB slot ) e.g. Antec has this.

    - CFM - airflow, e.g. 40 CFM for Bytecc, 9.4 CFM for Thermaltake, 31 for Antec
    - Noise: 18 to 20dBA is low and runs 1,600 - 2,000 rpm ( others up to 3,000 rpm)
    25 is highest rating shown, which still claims to be quiet.

    One thing I don't see is High / Low switches . . . but Antec has this.
    There are also passive coolers - alum. - which also serve as lap trays.

    Vantec lapcool3 got a lousy review.
     
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