The sat3510bmu33 black usb 30 hard drive enclosure with uasp lets you connect a 35 inch sata iii hard drive hdd through an available usb port the enclosure delivers optimal performance with a usb 30 connection but is backward compatible with usb 2011 host connections as well enhanced with uasp usb attached scsi protocol this 35 sata iii enclosure performs up to 70 faster than conventional usb 30 when paired with a uasp enabled host controller using a more efficient protocol than the traditio