AMD R-Series RX-421ND 4-core 2.1 GHz processor (turbo core to 3.4 GHz), System Memory : 16GB DDR4 RAM (max 16GB), Drive Bay : 16 x 2.5-inch or 3.5-inch, 4 x GbE LAN, 1 x 10GbE SFP+Redundant Power Supply without Rail Kit A03-57