First, we timed how fast the drive performed when copying data within itself, from one folder to another.
This means the drive had to perform both reading and writing at the same time. In this test, the Pegasus R6 registered 192.53MBps and 228.06MBps in RAID 5 and RAID 0, respectively-about five times the speed of the fastest SATA 3 internal hard drives and about 170 percent the speed of a typical SSD. After that, since we had two R6 units available, we performed the second test in this category by copying data from one R6 to the other, so that one of the units was doing the reading while the other was doing the writing. In this test, the devices registered much faster throughput at 323.8MBps and 353.2MBps for RAID 5 and RAID 0, respectively. This is about three times the speed of even the fastest SATA 3 hard drives and, again, some 170 percent faster than a SATA 3 SSD. The second set of tests measures the Pegasus R6's performance against more traditional external storage drives. For these tests we copied data directly from the MacBook Pro's internal SSD, which imposes a throughput bottleneck. These tests show what a typical user can expect from the Pegasus R6, since it replicates how most of us would use an external storage device.
In RAID 5, the Pegasus scored 210.5MBps and 177.5MBps for write and read, respectively.
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