TerraMaster D16 Thunderbolt 3 (D16-331) Most Compact Professional-Grade 16-Bay Tower Thunderbolt3 Hardware RAID Enclosure Support RAID 0/1/5/6/10/50 External Hard Drive RAID Storage (Diskless) - Newegg.com
Smr hard drive at 100% active time, copying small files, but still at 100% when file copy is paused. It stays like this until I reset the machine and causes other programs