StarTech USB 3.0/eSATA 4-Bay 3.5" SATA III Hard Drive Enclosure

The StarTech 4-Bay HDD enclosure lets you install four 3.5" SATA hard drives into an external enclosure and connect to your computer through USB 3.0 or eSATA. For fast performance and efficient data transfers, the enclosure supports SATA III transfer speeds -- up to 6 Gbps when connected through eSATA. The versatile enclosure can also be connected through USB 3.0, with support for UASP, performing up to 70% faster than conventional USB 3.0 when paired with a UASP-enabled host controller. To ensure compatibility with your computer system, the S3540BU33E supports all of the leading operating systems, including: Microsoft Windows (8/7/Vista/XP/Server 2008/Server 2003), Apple OSX (10.9/10.8/10.7/10.6), Linux and Google Chrome OS. UASP is supported in Windows 8, Mac OSX (10.8 or above) and Linux. In testing, UASP performs with a 70% faster read speed and 40% faster write speed over traditional USB 3.0 at peak performance.