Those that need to deploy an archive that can be accessed from anywhere in the world should definitely consider purchasing it. It's not hard at all to accomplish this goal. I use an internal WD RED 6 TB drive. When copying a large number of data, a very modest cooler (it is much smaller than in versions that support two disks) ensured that the hard drive did not exceed 32 degrees Celsius in temperature. In the not too distant future, I might consider installing a couple of IP cameras on it. I "solved" the "problem" of not having RAID by making periodic copies of the most critical papers onto an ownerless external 1 terabyte USB 3.0 drive. This allowed me to circumvent the "problem" of not having RAID.
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