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RAID-0 with 4/3/2 Drives (SoftRAID, Thunderbolt v1)
Tests shown here uses the fastest portion of the drives in order to show the peak speeds possible with the Thunderbay; all hard drives slow down as they fill up, as per the simple physical fact of πD (track circumference).
The Thunderbay performed admirably, as did the Toshiba MG03ACA300 hard drives, which offer very impressive performance.
Tested with the Thunderbay IV (Thunderbolt, not Thunderbolt 2).
Results shown are real-world throughput through the file system API (not unachievable driver-level throughput).
Using single drive speed as a reference, it can be seen that RAID-0 striping scales linearly, which is all that can be asked—excellent!
RAID 0 X 4: 720 / 753 write/read MB/sec RAID 0 X 3: 553 / 564 write/read MB/sec RAID 0 X 2: 368 / 375 write/read MB/sec Single HDD: 185 / 185 write/read MB/sec