I have two of these connected to an iMac and a Mac Mini, both running Yosemite 10.10.1. One worked 6 months, the other about 6 weeks. When they arrived I had to format them using Disk Utility for Mac - simple and straightforward. They appear to be well made and very quiet as they don't have fans. As expected, the USB 3.0 port is fast. Luckily I haven't experienced fire or flooding, so I can't confirm the ability to withstand fire and/or water.
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