LaCie 2big Network 4TB. Total storage capacity: 4096 GB, Hard drive capacity: 2048 GB. Supported network protocols: SMB, FTP, HTTP, HTTPS, Apple Bonjour, BitTorrent, Networking features: Gigabit Ethernet, Cabling technology: 10/100/1000 Base-TX. Weight: 2.63 kg. Compatible operating systems: Windows 2000/XP(SP1/SP2)/Vista Mac OS 10.2+ Linux 2.4+. Dimensions (WxDxH): 91 x 172 x 200 mm