LaCie Hard Disk MAX 2 TB Dual Drive RAID Hard Drive 301838U 2 TB USB external hard drive designed by Neil Poulton Fast USB 2.0 interface offers connectivity and transfer rates of up to 480 Mbps Plug-and-play functionality for both Macs and Windows Includes 1-year unlimited online backup service Measures 7.55 x 4.56 x 2.83 inches (WxHxD); 2-year limited warranty