LaCie 1TB Thunderbolt Little Big Disk - 9000106 New Era for Speed - 10Gb/s external interface for explosive throughput and I/O performance on your desktop Dual ports Thunderbolt - Next-Generation Interface - The simplest way to connect peripherals to your computer Featherweight Powerhouse - Workstation performance in the palm of your hand Specifications Interface - 2 x Thunderbolt 10Gbits Protocols - Data - PCI Express