The TowerRAID TR8M+B is a compact RAID tower utilizing the latest SATA II port multiplier technology where two eSATA cable connects to eight SATA hard drives. Bundled with a high performance PCIe 2.0 x1 RAID controller card RR622, its RAID 5 performance is capable of reaching over 250MB/s. Online expansion is a feature included in the controller card which allows the RAID to be expanded without the need to recreate the storage space or erase the existing data. Advanced monitoring functions include real time hard drives health status and e-mail notification for critical events.
Designed with easy installation in mind, the TR8M+B is designed with eight hot-swappable tray modules so that hard drives could be removed and installed with ease. The included dual-port eSATA 6Gb/s PCIe 2.0 x1 RAID controller card allows the connection of eight hard drives using only two cables, while all drives could be configured into a single or multiple RAID arrays, providing over 200MB/s in performance.
Sans Digital Tower Raid
Pros: Works as advertised. Simple to install drives, set up and maintain. Have had no problems with the unit, just a couple of drives. The unit automatically subbed in an extra drive I had marked as a spare. Worked great. Let me hot swap out the bad drive. I couldn't really gauge the rebuild time as I hadn't put anything on the drive yet.
Cons: The one con that was obvious right away when I set the tower up was the power button. It's not a 4 second hold button, it's a simple push on/off button, and it sits right on the front of the case. It WILL get accidentally turned off at some point. Why couldn't it have been a rocker switch on the back, or if they really wanted it on the front, make it a soft-off. Not a hard mechanical push on/off switch!
Other Thoughts: Not too much a con, but the raid card is a bit slow to recognize the drives and boot. The machine we have it on is always on, so this isn't really a problem for us, but I imagine it will get mighty annoying for anyone who boots relatively often. Or even daily boots, would drive me to look for another raid card.
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