Buffalo TeraStation Live Network Hard Drive - 4TB. Total storage capacity: 4096 GB, Hard drive capacity: 1024 GB, Maximum capacity: 4 TB. Compliance industry standards: IEEE802.3ab / IEEE802.3u / IEEE802.3, Data link protocols: TCP/IP. Weight: 7300 g. Operating temperature range (T-T): 0 - 35 °C. Compatible operating systems: - Windows 98SE/Me/NT/2000/XP/Vista - MAC OS 10.3