[iMore.com]

Looking for balls to the wall storage performance for the Mac? Thunderbolt 2 and RAID is the way to go.
If you want the fastest possible data storage for your Macintosh, getting a Thunderbolt 2 system is the way to go (assuming your Mac has Thunderbolt 2, of course). Getting a RAID *a Redundant Array of Inexpensive Disks will let you get the best performance and a measure of security, since you'll be able to easily recover and keep working in the event of a catastrophic failure. Here are our picks for the very best you can get for the Mac.

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