SMB QNAP TS-873AeU-4G NAS 8x3.5/2.5 SATA/SSD trays, 2 x M2 PCIe, 2x 2.5 GbE, 2U rackmount, 1 PSU. AMD Ryzen V1500B 4-core/8-thread 2.2 GHz processor,