Avocent Cyclades ACS 8-port console server, Cyclades CS. Power consumption (typical): 18 W. Weight: 3.5 kg. Operating temperature range (T-T): 10 - 44 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 15 - 90 %. Security algorithms supported: RADIUS. Connectivity technology: Wired, Dimensions (WxDxH): 433 x 225 x 43 mm, Compatible operating systems: Linux, Windows Server 2003 EMS