AMD R-Series RX-421ND quad-core 2.1 GHz processor, Drive Bay : 8 x 2.5-inch or 3.5-inch, System Memory : 4 GB SO-DIMM DDR4 (2 x 2 GB), 2 x PCIe Gen 3 (x4), 4 x Gigabit Ethernet Port (RJ45), 4 x USB 3.0 port, USB 3.1 Gen 2 (10Gbps) Port, 250W PSU, Tower