AMD R-Series RX-421ND quad-core 2.1 GHz processor (turbo core to 3.4 GHz), System Memory : 8GB UDIMM DDR4 (2 x 4 GB), Drive Bay : 12 x 2.5-inch or 3.5-inch, 4 x Gigabit Ethernet Port (RJ45), 1 x PCIe Gen3 (x4), 4 x USB 2.0 port