Startechcom hdd enclosures startechcom s2510bmu33 this usb 30 hard drive enclosure with uasp from startechcom enables you to connect a 25in sata iii hard drive hdd or solid state drive ssd through an available usb port the enclosure delivers optimal performance with a usb 30 connection but is also backward compatible with usb 2011 host connectionsenhanced with uasp usb attached scsi protocol this 25in sata iii enclosure performs up to 70 faster than conventional usb 30 w