For this review, we used a pair of SK hynix Gold S31 500GB SATA SSDs, but there is plenty of clearance for taller drives. Drives are attached to trays via four screws into the underside of the drives. Unlike the previous ICY DOCK products I have looked at they are not tool-less. ![]() Like the rest of the enclosure, these are metal. The drive sleds on the MB902SPR-B are designed to accommodate 2.5″ drives from 5mm to 15mm in height. In theory, this device will work anywhere a single SATA drive will work. This approach has some downsides which we will get into later, but it has a massive upside in terms of compatibility. From a data perspective, this is interesting, since the presence or topology of the underlying RAID array is hidden from the rest of the system the MB902SPR-B presents itself as a single disk. ICY DOCK MB902SPR B RearĪround the rear of the enclosure, things are very simple there is a single power connector, as well as a single data connector. Lastly, there is a Capacity Error indicator, which as the name implies will light up if the target disk for a RAID rebuild is smaller than the source disk. ![]() Additionally, there is a light labeled Double Source if the controller chip detects two disks inserted but is unable to determine which one should be used as the source for a RAID rebuild. Above them is an entire array of indicator LEDs, which provide the current status of the array if it is healthy, failed, or in the middle of a rebuild. The front of the MB902SPR-B is where most of the action happens, with the dual 2.5″ SATA SSD sleds featuring prominently. Like the previous ICY DOCK products I have reviewed, the ToughArmor RAID is a substantial, all-metal design. These product names are getting quite long, so for the the purposes of this review I am simply going to call this the ToughArmor RAID or the MB902SPR-B. ICY DOCK ToughArmor RAID MB902SPR-B Overview The unique feature of this enclosure is the built-in hardware RAID 1 functionality, providing driverless disk redundancy. This is a 5.25″ bay adapter that provides two hot-swap 2.5″ SATA bays. ![]() In my continuing capacity as STH’s dedicated reviewer of highly niche products, today I am looking at another ICY DOCK enclosure in the MB902SPR-B.
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