While I was impressed with the RAID support, the Promise Pegasus2 R8's power management could use a little improvement. In this case, the Promise Utility software is handy because it helps you locate which drives belong to which RAID volume via the front LEDs.
You can also choose to have two separate RAID volumes within the Pegasus2. You can hook up to six devices to one host computer this way. The other port is to host another Thunderbolt device or a Mini DisplayPort monitor in daisy-chain setup. You just need to use one of these ports to connect to a computer with a Thunderbolt cable (a foot-long cable is included). On the back there are two Thunderbolt ports. These lights are very helpful during a RAID rebuild or when you need to know which drive needs attention. Each of the drive bays also comes with two LEDs to indicate the status of the drive on the inside. On the front the Pegasus2 is an array of drive bays each comes with a latch that enables you to quickly remove/install a standard SATA internal desktop hard drive. Other than that, it shares the same kind of port and cable as Thunderbolt and is also backward-compatible with existing Thunderbolt devices. Note that Thunderbolt 2 is the next generation of Thunderbolt, which offers a 20Gbps connection speed (twice that of Thunderbolt). Other than the black color and the support for Thunderbolt 2, the new Pegasus2 lineup is almost exactly the same as the previous generation. It's not perfect, though, since it's very expensive and, in my trial, would take a relatively long time to resume from sleep mode, making it a little inconvenient to use with a laptop.īut the Pegasus2 is definitely a desktop storage solution, and while for most consumers it's overkill, for professionals who need super-fast speed or archiving or real-time 4K video editing, its incredible performance is worth the hefty investment, which is between $1,500 and $4,600, depending on the model and capacities.
It almost doubled the performance of its predecessor, as you'd expect from the move to Thunderbolt to Thunderbolt 2. In my testing, the Pegasus2 R8 proved to be the fastest consumer-grade direct-attached storage solution to date. Other than that it's very similar to the previous-generation models.Īs a hardware RAID system, the Pegasus2 supports all RAID configurations available for the number of internal drives it houses, be it four drives (the R4 model), six drives (the R6), or eight (the R8). The Pegasus2 line is Promise's upgrade to the previous Pegasus lineup (including the Pegasus R6 and the Pegasus R4) it adds support for Thunderbolt 2 and an all new R8 model - used in this review - that includes eight internal drives to offer up to 32TB of storage space.
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