Archgon MINI RAID USB 3.0 Aluminum Enclosure for Dual 2.5 inches Hard Drive Support Individual, JBOD & RAID 0/1 Model MH-2622RD-U3J Portable size designed for 2.5 inches hard drive x 2 Support all 7mm/9.5mm/15mm 2.5 inches SATA hard drive Mode: Individual/JBOD/RAID 0/RAID 1 USB 3.0 Super Speed. Optimized for UASP mode & SATA III 6G Gbps, 70% faster than traditional USB 3.0 transfer rate (read speed) Premium aluminum casing with hairline surface. Built-in 40mm cooling fan helps heat dispersion