AVOCENT ACS8000 Advanced Console Server - 1 GB - DDR3L SDRAM - Twisted Pair, Optical Fiber - 2 Total Expansion Slot(s) - 2 x Network (RJ-45) - 8 x USB - 16 x Serial Port - 10/100/1000Base-T, 1000Base-X - Gigabit Ethernet - Rack-mountable