StarTech.com USB 3.0 eSATA Hard Drive Enclosure w/ UASP - Trayless 3.5 inches SATA III HDD Enclosure w/ USB 3.0 or eSATA - SATA 6 Gbps - Black Time-saving file transfers, up to 70% faster than traditional USB 3.0 when used with a UASP-supported host Maximize performance, with file transfer speeds up to 6Gbps using eSATA Versatile connectivity options, through either USB or eSATA Time-saving file transfers, up to 70% faster than traditional USB 3.0 when used with a UASP-supported host Maximize performance, with file transfer speeds up to 6Gbps using eSATA Versatile connectivity options, through either USB or eSATA Maximum durability, with aluminum housing UASP Compatible eSATA or USB Host Connection Trayless Aluminum Enclosure Compatible with SATA revision I/II/III (1.5/3.0/6.0 Gbps)