Neutrino U3 w/UASP (Enclosure Only) USB 3.0 SuperSpeed interface USB 2.0 backwards compatible Designed for 2.5" drives up to 12.5mm Supports SATA-III drives Large heatsink for passive cooling, Durable, compact and portable, and Fanless USB 3.0 SuperSpeed interface USB 2.0 backwards compatible Designed for 2.5&#034; drives up to 12.5mm Supports SATA-III drives Supports UAS protocol for increased performance Large heatsink for passive cooling Durable, compact and portable Fanless