StarTech StarTech ST-S3520BU33ER USB 3.0-eSATA Dual 3.5 in. SATA III Hard Drive External RAID Enclosure with UASP and Fan- Black

USB 3.0-eSATA Dual 3.5 in. SATA III Hard Drive External RAID Enclosure with UASP and Fan - Black The S3520BU33ER 2-Bay RAID Enclosure offers a high-performance external storage solution, enabling you to build a secure RAID array with two 3.5-" SATA hard drives, with the option to connect it to your computer through either an available USB 3.0 or eSATA port.For fast data transfers and efficient performance from your SATA III drives, the RAID enclosure supports full SATA III transfer speeds ( up to 6 Gbps), as well as full USB 3.0 transfer speeds ( up to 5Gbps). When connected through USB, the enclosure supports UASP, which offers performance up to 70 faster than conventional USB 3.0 when paired with a UASP-enabled host controller ( see our performance below).With support for JBOD, Spanning, RAID 0, and RAID 1,the enclosure offers several options that enable you to customize your drive arrangement based on your storage requirements. To maximize both durability and reliability, the external RAID enclosure features high-quality aluminum construction with a built-in fan that helps improve ventilation and maintain a better operating environment for your drives.The HDD enclosure offers a versatile solution for increasing the storage/backup capabilities of your computer, with support for large capacity hard drives ( tested up to 4TB). To ensure compatibility with your computer system, the S3520BU33ER supports all of the leading operating systems, including: Microsoft Windows ( 8/7/Vista/XP/Server 2008/Server 2003), Appler OSX ( 10.9/10.8/10.7/10.6), Linux, and Google Chrome OST.It is backed by a 2-year warranty and free lifetime technical support.Improved Performance with UASPUASP 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.Features: UASP Support ( Attached SCSI Protocol Specification Revision 1.0) eSATA or USB Host Connection