The AMD RX-412ND-powered QNAP TS-x73 lineup targets small businesses and power users, featuring 4, 6, and 8 drive bays. In addition to the aforementioned processor and 4 GB or 8 GB of memory, its list of features also includes 2 PCIe Gen3 x4 slots for increased flexibility, 4 USB 3.0 ports, and 4 Gigabit LAN ports.
https://www.notebookcheck.net/QNAP-launches-the-AMD-powered-TS-x73-NAS-lineup.290310.0.html