Which cases offer the best air circulation for 9 or more internal 3.5" hard drives?

Discussion in 'Hard Drives and Solid State Drives' started by NeverDie, Mar 7, 2015.

  1. NeverDie

    NeverDie Active Member

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    I finally finished the prescribed FreeNAS burn-in. During the last leg of it I turned all the fan's down to the Nanoxia controller's minimums (no idea what RPM that is), and I turned off the Zalman arm-brace fan completely off, because it wasn't relevant to drive temperature.

    So, the good news is that from doing that noise decreased noticeably and maximum drive temperature rose to just 35C (up from 31C with fans at maximum). Ambient air temperature while testing was 24C. Also, power utilization dropped to 92 watts, so plainly the fans aren't giant power hogs.
     
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    Last edited: Mar 18, 2015
  2. NeverDie

    NeverDie Active Member

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    I replaced the HX1050 PSU with an RM450 PSU. Now the the hottest temperature drive is just 31C with all the fans set on minimum. I didn't expect such a big drop, so it's a pleasant surprise.

    When idling with the new configuration, it consumes 66 watts.
    When all the drives are active, such as when running the long-version of SMART's self diagnostic, it consumes 85 watts.
     
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    Last edited: Mar 21, 2015
  3. NeverDie

    NeverDie Active Member

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    By the way, I booted from DOS and used Western Digital's wdidle3 utility program to disable the setting. As predicted, it had been set at the factory to 8 seconds. I'm mentioning the wdidle3 program only because the linux equivalent from somebody else had so many warnings and disclaimers that I didn't feel comfortable using it.
     
    #63
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