Seagate MSS+ 500GB 7200RPM 16MB USB2.0+LAN, Maxtor Shared Storage Family. Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM, Hard drive size: 88.9 mm (3.5 "). Weight: 1700 g, Width: 41 mm, Depth: 140 mm. Operating temperature range (T-T): 5 - 35 °C. Minimum system requirements: Windows 2000,XP Mac OS/X 10.2.8 128MB RAM, Networking features: Ethernet / Fast Ethernet, Power requirements: 100-240 VAC, 47-63 Hz