16-Bay NAS, 4GB DDR3 SODIMM RAM (max 16GB), SATA 6Gb/s, 12x3.5-inch/2.5-inch HDD/SSD + 4x 2.5-inch SSD, 2x 10GbE SFP+ LAN, 2xGbE LAN, 1x PCIe Gen2(x2), hardware encryption, Container Station, Surveillance Station: free 8, max 40, up to 2x UX-800P/UX-500Pexpansion units