This adapter turns any ide or sata drive into a convenient external drive simply connect one ideatapi or sata based mass storage device through a usb port to easily transfer files from a computer or back up files on an external hard drive connections for ide 35 ide 25 40 pin and sata hdd supports 2535 ide and sata hdds and 18 hdds only with suitable adapter not included suitable for sata and sata ii hdds capacity up to 8 tb supports usb 20 480mbps high speed and 12mbps full