QNAP TS-673A, NAS, Tower, Ryzen Embedded, V1500B, 8 GB, DDR4 QNAP TS-673A. Type: NAS. Chassis type: Tower. Device class: Small & Medium Business. Processor family: Ryzen Embedded, Processor model: V1500B, Processor frequency: 2.2 GHz. Internal memory: 8 GB, Internal memory type: DDR4. Total installed storage capacity: 12 TB, Installed storage drive type: HDD. Operating system installed: QNAP Turbo System