Origin Storage N4100Pro. Total storage capacity: 4048 GB, Hard drive capacity: 1024 GB, Hard drive rotational speed: 7200 RPM. Networking features: Gigabit Ethernet, Cabling technology: 10/100/1000 Mb/s. Power supply: 200 W. Operating relative humidity range: 0 - 80 %, Operating temperature range (T-T): 5 - 40 °C. Compatible operating systems: Windows 7/ 2000/ XP/ 2003/ Vista Linux/Unix Mac OS 9/ X +