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Solved: Case and cpu life span

Discussion in 'Hardware' started by BIG A, Aug 23, 2009.

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  1. BIG A

    BIG A Thread Starter

    Jul 5, 2009
    Was wondering if the life span of my case and cpu fans is longer if i run them the same speed all the time or let the bios control them varying the speed with temp.
  2. JohnWill

    JohnWill Retired Moderator

    Oct 19, 2002
    The lifespan on the fans is based largely on the actual quality and construction of the fans. In the old days of really large rack based computers, the A/C fans that were used had MTBF values in years, nowadays the cheap fans in most computers can crap out in a few months. I always go for ball bearing fans if they're available, they generally have better lifetimes than the sleeve bearing models.

    I doubt you'd be able to measure the difference in MTBF between variable speed and simply running them full speed. The real bonus of variable speed is they're quieter if the cooling capacity isn't required.
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