Interfaces : One (1) Ethernet, One (1) Token Ring, Two (2) Serial, One (1) AUI DB-15, One (1) Console RJ-45 Flash Memory : 8 MB to 16 MB RAM : 4 MB to 16 MB Processor : 20-MHz 68030 Operating System or IOS Version : 11.0 or 11.1 or 11.2 PSU : 110 to 220 VAC, 40W Dimensions : 44.5 x 26.8 x4.4 cm Weight : 4.5 kg