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With modern hard drives, do you need a fan blowing on them? - Page 2

post #11 of 26
physics does not stop working just because the drive is made this year as opposed to 10 years ago biggrin.gif

general rule of thumb.

a 5400rpm drive (or slower) can operate w/o any active cooling as long as the case itself has decent ventilation.
a 7200rpm drive (or faster) need some kind of airflow on it to be safe.
post #12 of 26
Quote:
Originally Posted by psyclum View Post

physics does not stop working just because the drive is made this year as opposed to 10 years ago biggrin.gif

general rule of thumb.

a 5400rpm drive (or slower) can operate w/o any active cooling as long as the case itself has decent ventilation.
a 7200rpm drive (or faster) need some kind of airflow on it to be safe.
tongue.gif
Well ... I have some hitachi 7200rpm drives that strangely don't heat up beyond 40C biggrin.gif
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post #13 of 26
i've read somewhere that if you keep your HDD below ~20C or above 50C, it doubles the failure rate.
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post #14 of 26
Quote:
Originally Posted by doyll View Post

Depending on the HDD 45-55c maximum operating temp. You are probably okay with no fan, but monitor their temps and see.

pretty much this^^ keep an eye on the temps with something like crystaldiskinfo
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post #15 of 26
Quote:
Originally Posted by Phenomanator53 View Post

i've read somewhere that if you keep your HDD below ~20C or above 50C, it doubles the failure rate.
Sounds like the Google HDD study appeared in the Proceedings of the 5th USENIX Conference on File and Storage Technologies (FAST’07), February 2007

Failure Trends in a Large Disk Drive Population
Eduardo Pinheiro, Wolf-Dietrich Weber and Luiz Andre Barroso
Google Inc.
1600 Amphitheatre Pkwy
Mountain View, CA 94043

Page 6 has graphs of average drive temperature failure rate and average drive temperature to age failure rate. Drive less than 2 years old (2005-2007) in the 35-40c range had lowest failure rate. the 3-4 year old drives (2003-2005) in 30-35c range had lowest failure rate. Problem is the age of study is on 6-10 year old drive.. so may or may not be relevant to newer drives.
http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.com/en//archive/disk_failures.pdf
post #16 of 26
Not necessarily if you look at my sig rig my hard drives are actually mounted on the side of my motherboard tray using a hard drive tray and zipties. they are covered with acrylic and covered with black carbon fiber. i have had no single issue with any hard drive getting too hot or being hot to being with.
post #17 of 26
You don't always need a fan blowing over them, but you do need some airflow, especially if you have more than one or two drives together. At one point, I had four 2TB drives (so relatively new) in a case with no direct airflow (they were relying on passive exhaust) and two of them were hitting 65°C. I put one 500RPM fan in front of them, and they were at 40.
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post #18 of 26
Quote:
Originally Posted by Serephucus View Post

You don't always need a fan blowing over them, but you do need some airflow, especially if you have more than one or two drives together. At one point, I had four 2TB drives (so relatively new) in a case with no direct airflow (they were relying on passive exhaust) and two of them were hitting 65°C. I put one 500RPM fan in front of them, and they were at 40.
Indeed.thumb.gif
Which is what psyclum and others keep saying.
post #19 of 26
Thread Starter 
Well the problem is how do I get a fan in a duel 5.25 bay?
post #20 of 26
Tape, velcro, tip ties... It doesn't have to have a screw mount. You could also hang it from the roof using string. This would eliminate any vibration transfer.
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