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Tom's Hardware > Forum > Storage > General Discussion > [Solved] Can I stack my 2.5" external HDDs on top of each other?

[Solved] Can I stack my 2.5" external HDDs on top of each other?

Forum Storage : General Discussion [Solved] Can I stack my 2.5" external HDDs on top of each other?

Best answer from RetiredChief.

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Like the title said, can I stack them together on top of each other or near each other for a long period of time? I wonder this is safe or not?

This has been bugging me for a long time as I have a couple of external HDDs and I would like to store them safely together if possible.

Any input would be appreciated! :)

Reply to kasazn
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I don't see why not. I've had 3.5" drives stacked for over a year with no problem. You might want to put them in anti-static bags though, just for safety and to keep dust off the power and data contacts.

Reply to Hawkeye22

Sorry if I have not made myself clear, they are 2.5" HDDs in USB 2.0 and 3.0 enclosures. I would like to stack them together, maybe put them in a bag or something similar. Your suggestion for anti-static bags are nice though, I am certainly putting that into consideration. :)


Message edited by kasazn on 01-27-2012 at 06:56:35 PM
Reply to kasazn

Well, mine were stacked as bare drives. Enclosures offer more protection so I don't see how it would be a problem. Someone else may have a more definitive answer, but I think it's safe.

Reply to Hawkeye22

Thank you, seeing an experienced user like you stacking bare drives on top of each other proves that it is quite safe to do so! :D

Reply to kasazn

No, it isn't. All it would take is the metal drive chassis slipping and shorting something out on another drive. If you are going to stack and operate bare drives (done that), at least slip an antistatic bag between the two drives to act as an insulator.

Yes, the slightly, very slightly, conductive bage will act as an insulator.

Reply to jsc

Yea, the only problems i've had was when i moved the drives during operation, and the metal of one drive contacted the circuit board of the other.

Vibration is the other thing. under stress the drives may vibrate and exceed their tolerances. secureing them and isolateing them so they don't actually touch. helps.

just don't put them inside the anti-static bag xD these things need to breath too.

2.5" x2 = 5" Not sure how you would be stacking them in one bay?

Reply to pazsion

jsc wrote :

No, it isn't. All it would take is the metal drive chassis slipping and shorting something out on another drive. If you are going to stack and operate bare drives (done that), at least slip an antistatic bag between the two drives to act as an insulator.

Yes, the slightly, very slightly, conductive bage will act as an insulator.



pazsion wrote :

Yea, the only problems i've had was when i moved the drives during operation, and the metal of one drive contacted the circuit board of the other.

Vibration is the other thing. under stress the drives may vibrate and exceed their tolerances. secureing them and isolateing them so they don't actually touch. helps.

just don't put them inside the anti-static bag xD these things need to breath too.

2.5" x2 = 5" Not sure how you would be stacking them in one bay?



He's storing the drives, not operating them.

Reply to Hawkeye22
Best answer

(1) As others have indicated, store in the antistatic bag.
(2) may be stacked, ONLY precaution, other than storing in the antistatic bag is to ensure that the the upper ones can not slip and fall. I've had used drives stored (4 and 5 on top one another) this way for over 5 years and worked fine.

If you are storing in a Usb encluser, again just make sure they will not fall.


Message edited by RetiredChief on 01-30-2012 at 08:34:34 PM
Reply to RetiredChief
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