SMB 16-Bay NAS (16x 2.5"/3.5" SATA HDD/SSD), Intel Xeon E-2124 4-core 3.3 GHz (up to 4.3 GHz), 16 GB DDR4 ECC RAM (2 x 8GB) up to 64 GB ( 4 x 16 GB), 4x GbE LAN, 2 x 10GbE SFP+, rackmount 3U, 2xPSU. W/o rail kit RAIL-A03-57