Opengear CM8100 Console Server - 1.95 GB - DDR4 SDRAM - Twisted Pair, Optical Fiber - 2 Total Expansion Slot(s) - 2 x Network (RJ-45) - 2 x USB - 16 x Serial Port - 1000Base-T, 10GBase-X - 10 Gigabit Ethernet - Management Port - Rack-mountable: