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CalDigit T3 Thunderbolt 2 Triple-Drive RAID Array Storage Unit Review

By: Tyler Bernath | Thunderbolt in Storage | Posted: Nov 21, 2014 3:11 am
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TweakTown Rating: 80%Manufacturer: CalDigit

Test System Setup




In testing the performance of Thunderbolt storage solutions, we utilize the Apple MacBook Pro Retina Late 2013 model, which as of this article is running OS X 10.9.1. Full system specifications are available above.


To create RAID volumes in OS X, I use Apple Disk Utility with 64K stripe size. In addition to this, we use a Windows test system seen above for Thunderbolt appliances that support. Benchmarks used in Windows include IOMeter 1.1; all volumes use a 128K-stripe size and are tested without a file system.



AJA System Test with HDDs




In our 720p testing, the unit with 3TB HDDs performed quite well. As you can see, our chart is a bit crazy, but we are achieving near 650 - 700 MB/s read in RAID 0. RAID 1 numbers peaked around 400 MB/s read, while write speeds were steady at 200 MB/s.




Moving to 1080p, our charts calmed down quite a bit, but again, the RAID 0 array came in around 600 MB/s read and 600 MB/s write. The RAID 1 array fell to just below 400 MB/s, while write speed stayed the same at 200 MB/s.




4K workload calmed things down further where again we see rather consistent performance results. The RAID 0 array came in at 600 MB/s for both read and writes, while the RAID 1 touched just below 400 MB/s read and 200 MB/s write.



Black Magic Disk Speed Test with HDDs




Within Black Magic Design DST, we reached 557 MB/s read and 550 MB/s write with our RAID 0 array.




Our RAID 1 tests came in at 276 MB/s read and 177 MB/s write.

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