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Mounting a fan directly on a hard drive

post #1 of 11
Thread Starter 
Hey gents,

A buddy of mine asked me whether or not it would cause an issue if he mounted a fan directly on the back of an internal hard drive(meaning the opposite side from the front label).

I was torn as to whether or not it would cause an issue. I wasn't sure if maybe magnetic fields would interfere with each other. I would think because the hard drive is largely sealed, it would be fine. What do you guys think?

-Blacker.
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The Puter
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post #2 of 11

The magnetic field is extremely weak and poses absolutely no risk to hard drives. There are a lot of cases that have hard drive cages mounted directly behind the front fan(s), not to mention I have a couple of external drive enclosures with fans in them as well. You're completely safe. thumb.gif

post #3 of 11
Thread Starter 
That's what I thought, just wanted to get a second opinion. Thanks for the heads up!
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The Puter
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post #4 of 11
How warm is your HDD currently?


Cool HDD => higher failure rate.
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post #5 of 11
Quote:
Originally Posted by vectorvtec73 View Post

That's what I thought, just wanted to get a second opinion. Thanks for the heads up!

 

You're quite welcome. Also, I just remembered back when I had my Antec 1200 with really poor airflow (cable spaghetti, no easy way of managing it, etc.) I had an extra 120mm fan between two of my drives, just laid flat on the lower drive without any mounts. Makeshift "solution" but it did lower temps a few degrees and (obviously) didn't damage the drive. Similar setup to what your friend has in mind, so there ya go. tongue.gif

post #6 of 11
I mounted a small fan top my main hdd to cool it down a lil bt and that cause me no problems whatsoever.
    
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post #7 of 11
Quote:
Originally Posted by DuckieHo View Post

How warm is your HDD currently?
Cool HDD => higher failure rate.

This, unless you doing some constant reading/writing you HDD temps are probably fine.
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post #8 of 11

In my case (pun intended) my drives were around 49°C, and I thought that was a bit too high. Right now in my 650D they're around 38°C which I consider ideal.

post #9 of 11
Thread Starter 
Thanks for all the replies gents. I have no idea what his actual temps are, but he lives in Arizona, has no airflow to this drive, which is largely a storage drive. I know it's a 500GB Caviar Black, because I told him to buy it lol. My guess with the type of heat he has around there right now, he's seeing 55C to 60C. I've got a similar storage drive that isn't getting constant read/write, lower outside temps and very low air density, and my temps on my 640Gb which gets minimal airflow are about 50C after gaming and such(as much air as my Danger Den EATX pushes, it still gets damn hot in there).

Personally, my target temp for my drives is always about 35-40C. That's just a personal preference. I think he's afraid he's pushing too close to the threshold of his drive. Not sure though, he's at work right now.

Thanks again for all the comments guys, you've been a great help thusfar!
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The Puter
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Samsung 840 Series 500GB SSD Western Digital 600GB Velociraptor Western Digital 1TB Caviar Black ASUS BluRay Burner 
CoolingOSMonitorKeyboard
Danger Den Pump/Radiators, Alphacool Reservoir Win7 x64 Ultimate Samsung 40in LCD Logitech G15 
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ABS Tagan BZ900 ATX12V / EPS12V 900W Danger Den EATX Acrylic Logitech G700 Nova Gaming Overslide 
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post #10 of 11
35-45C looks to be ideal: http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.com/en/us/archive/disk_failures.pdf
Once again...
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Once again...
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Intel X25-M 160GB + 3xRAID0 500GB 7200.12 Window 7 Pro 64 Acer H243H + Samsung 226BW XARMOR-U9BL  
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