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What Size Backup Drive Should I Buy For My Mac?

Question:

I need to buy a backup drive to use Time Machine with my MacBook Pro. How big should of a hard drive should I get?
- Asked by Monique B. January 30th, 2012

Answer:

If you use Time Machine to backup your Mac, it will save multiple versions of your hard drive at various points in time. If you want to be able to access many old states of your hard drive, we recommend getting a backup drive at least twice the size of the hard drive on your Mac. That will leave you with enough flexibility to properly use Time Machine and access old copies of your hard drive.

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