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Thread: Front and rear 80mm fans




  1. #1
    Join Date
    Feb 2003
    Posts
    90

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    Hi,

    I need some advice about the speed of the rear and front 80mm fans I have installed on my LanBoy.

    If I have the rear fan at full speed and the front fan at half speed, will there be any airflow problems?

    I just want to know as a rule of thumb that should both the front and rear fans always be at the same speed? Or it doesn't really matter? Or what are your recommendations?

    Thanks.
    ==| PC specs |==
    1. Intel Pentium 4 3.0C ghz
    2. Gigabyte 5900XT
    3. Gigabyte GA-8IPE1000 Pro
    4. Kingmax PC3200 DDR RAM (2 x 256mb on dual channel)
    5. Western Digital 80gb 7200rpm HD (8mb cache)

  2. #2
    Join Date
    Nov 2001
    Location
    New England Highlands, Australia
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    21,907

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    Actually ya should have slightly more air goin' into the case than comin' out and don't forget to throw in the exhaust fan from the PSU either.

  3. #3
    Join Date
    Feb 2003
    Posts
    90

    Default

    Cool. Thanks.

    What brand of 80mm fans are you using? I'm using the Vantec Spectrum UV LEDs fans, and I still think they are noisey when running at half the speed.

    Do you think the Vantec Stealth fan do a better job? Or what brands do you recommend?
    ==| PC specs |==
    1. Intel Pentium 4 3.0C ghz
    2. Gigabyte 5900XT
    3. Gigabyte GA-8IPE1000 Pro
    4. Kingmax PC3200 DDR RAM (2 x 256mb on dual channel)
    5. Western Digital 80gb 7200rpm HD (8mb cache)

  4. #4
    Join Date
    Jan 2004
    Location
    Brisbane, Au.
    Posts
    91

    Default

    A mate of mine just got some Antec fans- clear with blue lights, good flow, the quietest 80mm fans I have ever heard. Considering that they were $20 Aud, they should be, cause thats about the same priceas a 120mm fan. But if you've got 80mm cages already (as he has) then they are a good choice.

  5. #5
    Join Date
    Nov 2001
    Location
    New England Highlands, Australia
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    21,907

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    I use a few brands but the thing they have in common is that they're all 34cfm fans which make them pretty quiet but then there are 5 (3 intakes, 2 exhausts) of them in my much larger cases.

  6. #6
    Join Date
    Jan 2003
    Posts
    790

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    Heh, you got me interested now, what kind of fans (brand name) do you use Wiggo :?: ? I've tried thermaltake, and they move alot of air but are loud as hell. Vantec stealth's are nice (fullspeed they are about whisper, i.e. 21 dB), but they're just shy of moving 30CFM, and with filter its even less. Whats a good mid-range fan to get the best of both worlds? : peace2: Mista K6
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

  7. #7
    Join Date
    Nov 2001
    Location
    New England Highlands, Australia
    Posts
    21,907

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    Antec, Sunon, Evercool and Y.S.Tech.

  8. #8
    Join Date
    Dec 2003
    Posts
    39

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    I heard that the bigger the fan the better.

    I think that since they are so big you get more airflow at lower speeds. Which in turn makes the noise level lower.

  9. #9
    Join Date
    Jan 2003
    Posts
    790

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    Hmm... I'll have to try some of those. I like the stats and looks of evercool fans, antec too... :idea: . Heh, whenever I build my new comp :thumb: : peace2: Mista K6
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

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