Startech.com USB 3.0/eSATA Dual 3.5" SATA HDD Tray-Less Enclosure S352BU33RER

This dual bay RAID enclosure from StarTech.com lets you build an external RAID array with 2 3.5" SATA hard drives, and connect to your computer through USB 3.0 or eSATA. The RAID controller is also front mounted for ease of access when changing your RAID mode. Trayless removable HDD slots with drive locks. Compatible with SATA revision I/II/III (1.5/3.0/6.0 Gbps) drives. Dual bay USB 3.0 supports SATA III (6 Gbps) and UASP (5 Gbps) for optimal performance. Hardware RAID with support for RAID0 / RAID1 / BIG / JBOD. Front-mounted RAID controller. Compatible with USB 3.0/2.0/1.1 (5 Gbps / 480 Mbps / 1.5 Mbps). Enclosure supports SATA III transfer speeds -- up to 6 Gbps (hot swap) when connected through eSATA.