Lenovo 7X10100JAU ThinkSystem Tower Server, Number of Processors 2, Xeon Gold, Deca-core (10 Core), Speed 2.10 GHz, Memory 16 GB, Total Memory Slots 12, DVD-Writer, Controller 12Gb/s SAS, Serial ATA/600, RAID 0, 1, 5, 6, 10, 50, JBOD, Gigabit Ethernet, Input Voltage 120 V AC, 230 V AC, FF Tower, Environmentally Friendly. The Lenovo ThinkSystem ST550 2-socket 4U rack-mountable tower server provides outstanding performance and industry-leading reliability.