TS-473-8G
4-Bay NAS, AMD RX-421ND 2.1~3.4 GHz, 8GB DDR4 RAM (max 64GB), 8x2.5'/3.5' + 2x M.2 2280/2260 SATA 6Gb/s slots, 4x GbE LAN, optional10GbE PCIe expansion, Surveillance Station free 4 amp; max 72channels