Lenovo ThinkSystem ST250. Processor family: Intel Xeon E, Processor frequency: 3.8 GHz, Processor model: E-2186G. Internal memory: 16 GB, Internal memory type: DDR4-SDRAM, Memory layout (slots x size): 1 x 16 GB. Ethernet LAN, Cabling technology: 10/100/1000Base-T(X). Optical drive type: DVD±RW. Power supply: 550 W, Redundant power supply (RPS) support. Chassis type: Tower (4U)