TRENDnet 3.5-Inch SATA Hard Drive Aluminum Enclosure - USB 3.0 SuperSpeed, Optimized for SATA 2 6.0Gbps hard drive transfer rate, TU3-S35 Super speed 5Gbps USB 3.0 transfer rates One SATA I/II hard drive supported (sold separately) Compatible with Windows and Mac operating systems Plug and Play with no software installation required Supports all USB speeds: Super speed (USB 3.0: 5Gbps), High speed (USB 2.0: 480Mbps), Full speed (USB 1.1: 12Mbps), and Low speed (USB 1.0:1.5Mbps) Supports one 3.5 inch SATA/SATA II hard drive (sold separately) Backwards compatible with USB 2.0, 1.1, and 1.0 connections