Can I cannibalise an old portable hard drive as an SSD enclosure?

allthebuttons

Junior Member
Nov 29, 2015
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I have an old G-Tech Mini portable hard drive (FW800, bus-powered) that I don't need any more, so as an experiment I took the actual hard drive out and replaced it with a 512GB Crucial M4 SSD that I had spare from work. I would like to use it as an external boot drive over FireWire 800 to speed up an old 2007 iMac.

So far, it seems to be running great! The drive shows up and is nice and fast. But I'm worried that this isn't a 'proper' hard drive enclosure - it was presumably only designed to work with its original hard drive. I have no idea whether the SSD takes more or less power than the original drive. There is a very slight whining sound when the drive operates, but I can't remember if that was always there. The G-Tech drive was a model from about 5 years ago.

Am I doing any harm to the drive and/or enclosure?

(I know that with FW800 and without TRIM I won't be getting the best performance out of the drive, but I'm not worried about that - I just need to know that the chassis won't do any physical damage by delivering the wrong voltage or whatever.)

The original drive was a 5400rpm Hitachi with "5V 700mA" written on it, if that helps :)
 
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pitz

Senior member
Feb 11, 2010
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SSDs are almost always more energy efficient than mechanical HDDs. And I have one of those G-Tech enclosures (Hitachi sent it to me for free) and have run non-Hitachi HDDs in it without issue.

You might just consider retrofitting your SSD into the iMac itself if the process isn't too complicated.