# Compatability?

**URL:** <https://forums.sandisk.com/t/compatability/304927>\
**Category:** External SSD for macOS\
**Created:** [July 8, 2012, 1:44am UTC](https://forums.sandisk.com/t/compatability/304927 "2012-07-08T01:44:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ggddoo](https://avatars.discourse-cdn.com/v4/letter/g/b9bd4f/32.png) [@ggddoo](https://forums.sandisk.com/u/ggddoo)\
**Post date:** [July 8, 2012, 1:44am UTC](https://forums.sandisk.com/t/compatability/304927/1 "2012-07-08T01:44:27Z")

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&nbsp; &nbsp;I think I know the answer but wanted to make sure…Will the My Book Essential ext hard drive 3T work with a mac air &nbsp;OS X lion 10.7?

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**Author:** ![Wizer](https://avatars.discourse-cdn.com/v4/letter/w/43a26b/32.png) [@Wizer](https://forums.sandisk.com/u/Wizer)\
**Post date:** [July 9, 2012, 6:30pm UTC](https://forums.sandisk.com/t/compatability/304927/2 "2012-07-09T18:30:43Z")

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Of course&nbsp;