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Drive Genius External Defrag has been discontinued
Drive Genius External Defrag lets you Defragment and Optimize your external hard drives, allowing for their fastest possible operation. Despite a common misconception, fragmentation does occur and Drive Genius is the most-trusted, most-awarded way to defrag your hard drives. This special App Store version lets you defrag all your external drives, ensuring their optimum performance.

There are two types of fragmentation that can occur on a hard drive:

  • Free Space Fragmentation
  • Data Fragmentation
Free Space Fragmentation:

This is a natural occurrence where the contiguous free space of a new

Requirements for Drive Genius External Defrag

  • Mac OS X 10.6.8 or OS X 10.7.x.
  • Not compatible with OS X 10.8.

*Previously available here
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Drive Genius External Defrag User Discussion

Current Version (1.x)
Downloads 478
Version Downloads 478
License Commercial
Date 05 Apr 2012
Platform OS X / Intel 32
Price $14.99
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