AMD G-Series GX-420MC quad-core 2.0 GHz processor, Drive Bay : 4 x 2.5-inch or 3.5-inch SATA 6Gb/s, 3Gb/s, System Memory : 4 GB SO-DIMM DDR3L (1 x 4 GB), 1 x PCIe Gen 2 (x4), 4 x Gigabit Ethernet Port (RJ45), 3 x USB 2.0 port, 2 x USB 3.0 port, 250W PSU, Rackmount