The TowerRAID TR5UT+ is a 5-bay hardware RAID 5 storage tower that utilizes high performance USB 3.0 and eSATA interfaces to provide over 200MB/s in performance. The included USB 3.0 is backwards compatible with widely available USB 2.0 ports, which is a convenient feature when both USB 3.0 and eSATA connections are unavailable. With built-in RAID 0, 1, 10, 3, 5 with hot-spare and JBOD, the TR5UT+ provides hardware RAID redundancy protection against hard drive failures. A brand new RAID mode, CLONE or N-Way Mirror, is also introduced to replicate the saved data throughout each installed hard drive. The RAID engine is embedded within the enclosure and performs all RAID parity calculation to reduce CPU utilization from the host PC. RAID controller cards are unnecessary.
To satisfy the need for performance demanding applications, the unit is bundled with a 2-port PCIe 2.0 x1 eSATA controller card with SATA 6.0 Gbps (6G) support (RR622 controller card). PCIe 2.0 is capable of providing twice the bandwidth of PCIe 1.0, allowing over 200MB/s in performance. The unit is also backward compatible with PCIe 1.0 slots to provide eSATA connectivity for computers that do not have built-in eSATA ports. Designed with easy installation in mind, the TR5UT+ allows effortless installation by simply inserting the hard drive tray (with the hard drives installed) after opening the attractive ventilating door. The TR5UT+ is the ultimate RAID storage for all storage needs.
Pros: We own 5 of these, and they are GREAT! I would NEVER go back to a Web-GUI-interface for setting up RAID.
Cons: One in five had a manufacturing defect on the front plastic panel, which Sans Digital has offered to replace. Hmmm... now we just need a place to temporarily store that 12TB...
Other Thoughts: We always connect to these over eSATA. Sometimes, they will show right up. Sometimes we have to reboot. Mac Pro 10.6.8.
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Pleased with purchase
Pros: This was my first experience setting up a RAID, so I was expecting a couple hiccups - there were none. Setup was fast and simple. I was backing up data before I knew it.
Cons: A little on the expensive side, the door seems a little flimsy, and one of the screws snapped while attaching one of my drives to the slide. With that said, I still gave this unit 5 eggs over 4.
Other Thoughts: Sans Digital has a lot of similar units. Go through the specs and make sure you're ordering exactly what you need. For me, hardware RAID was important, and I think I found the perfect solution with this enclosure.
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