I purchased two of these disks in April 2022 to use in a Synology NAS as effectively RAID 1. Although they are nominally 14 TB, in practice the NAS says I only have 12.7 TB available. When the disks arrived one worked fine, but the other was dead on arrival. I returned it to PB Tech and after some email discussion they eventually agreed to replace it. I'm happy with the final outcome as the replacement disk did work fine out of the box. One of my reasons for buying from PB Tech rather than from overseas was the expectation that it would be easier to deal with a local supplier in the event of any problems, and this turned out to be the ...view more