2 120mm fans on Asus z87-a motherboard?


  1. Posts : 78
    Windows 7 Professional
       #1

    2 120mm fans on Asus z87-a motherboard?


    hey :)
    before I get a motherboard, I'm between the z87-a and the z87 pro. I have 4 case fans, and on the z87-a, there's only 3 care fan headers. Would it be bad to run 2 120mm fans off the same header using a y cable?
    Thanks guys :)
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  2. Posts : 1,269
    Windows 7 Ultimate Retail Box (64-bit installed) + Service Pack 1
       #2

    You have said Y cable? [aka. splitter]

    I would check with the mobo manufacturer to be certain.

    Consider all the upgrades on the Pro though vs. price difference, at least that is what I always do.
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  3. Posts : 1,711
    Win 7 Pro 64-bit 7601
       #3

    you can use one of these (fan-molex connectors), and you'll be sure no harm done to the mobo
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  4. Posts : 109
    Windows 7 64bit home premium
       #4

    Check the cable that you are going to use. Some Y cables like the one above do not take into account speed settings for fans. I would have one of your fans connected to the PSU and the other 3 connected to the mobo. If you have a rear or top fan then I would suggest connecting that to the PSU directly.
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  5. Posts : 1,269
    Windows 7 Ultimate Retail Box (64-bit installed) + Service Pack 1
       #5

    boba's splitter is probably fine for a plain case fan with no speed controls, forgot about those, I bought a nice set of case fans for $15 for 4 on newegg, only used 1, but I know those break or get so dirty, and it's nice to just replace if it's over 2 years old, so I am prepared!

    COOLER MASTER R4-S2S-124K-GP 120mm Case Fan 4 in 1 pack - Newegg.com
    ^reasonable case fans^

    I am indeed running 4 case fans, but 2 are special ones that came with the case, and at least 1 is a weird shape, I hope it lasts forever!
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  6. Posts : 1,045
    Win8/8.1,Win7-U64, Vista U64, uncounted Linux distor's
       #6

    I would think any new mobo would handle two 120's, using a splitter off the system fan connector. My GB990fxa runs three 200's and a 120 off the system header using a splitter and bios for speed control.
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  7. Posts : 11,424
    Windows 7 Ultimate 64
       #7
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  8. Posts : 109
    Windows 7 64bit home premium
       #8

    you could use an alternative idea, a fan controller connected directly to the psu. This will negate the problem of connectors on your mobo and may allow for extra options that you had not thought of.
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  9. Posts : 78
    Windows 7 Professional
    Thread Starter
       #9

    thanks for all the responses guys :)

    I was hoping to be able to use ASUS's Fan Expert 2 in the BIOS to control the case fans, which is why I want to put all the case fans on the mobo.

    But after evaluating my options between the pro vs the a, I think I'm going to get the Pro.
      My Computer


 

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