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Pegasus2 R6: Six hard drives, Thunderbolt 2, and a lot of speed

James Galbraith | Feb. 3, 2014
The Pegasus2 R6 from Promise is the first Thunderbolt 2 peripheral to make its way into the Macworld Lab. It's a six-drive 12TB hardware RAID box and can be purchased from the Apple Store for $2299.

Results are in megabytes per second. Higher results are better. Best result in bold. Reference drives in italics. — Macworld Lab testing by James Galbraith and Albert Filice

We also connected the Pegasus2 in its fast striped configuration to a late 2013 MacBook Air with the previous iteration of Thunderbolt. The Mac Pro write tests averaged about 40 percent faster than the Air tests, while the read tests varied from just 9 percent faster than the Air in large file test to 29 percent faster in the files and folder test to 40 percent faster than the Air speeds in the AJA System test trials.

Just for kicks we decided to try striping six SSD drives in the Pegasus2. There wasn't a huge difference in our file and folders tests, in fact writing could be a couple percent slower on those SSDs, but was averaging about 20 percent faster read speeds over the standard 7200 RPM drives that the Pegasus2 shipped with.

Bottom line
If you need storage with the fastest available throughput for your Mac Pro workflow, there's only one game in town. While others will, no doubt, follow soon, the Pegasus2 is the only Thunderbolt 2 enabled drive available for purchase today. It offers six drive bays, dual Thunderbolt 2 ports and can be configured in many RAID varieties, and tops out at around 1100 MBps.

 

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