The Synology DiskStation DS1621xs+ is a high-performance 6-bay NAS designed to meet the needs of small businesses. Hardware features include an Intel Xeon D-1527 4-core 2.2 GHz CPU, dual M.2 2280 NVMe
DiskStation® DS1621xs+ | Synology Inc.
Synology DS1621+ vs DS1621xs+ NAS Comparison - YouTube