SMB TS-1264U-RP-4G NAS 12 HDD trays, rackmount 2U, 2 PSU. 4-core Intel Celeron N5095 2.0-2.9 GHz, 8 GB RAM up to 8 GB, 2x2.5 Gigabit Ethernet, 2xUSB 3.2 Gen 2 (10Gbps). 2xUSB 2.0., 1xHDMI . PCIe Gen 3 x2 , W/o rail kit RAIL-B02