SEDNA - USB 3.0 Dongle for 2.5 / 3.5" SATA III HDD with Free Hdd Rubber Stand and 12V AC/DC adapter Supports Win 8 UASP, Super high speed Supports SATA 2.5" and SATA 3.5" Hard Drives ( 12V AC/DC adapter for 3.5" HDD is included ) Up to 5Gbps data transfer rate ideal for business database or large video files backup Rubber stands for Hard Disk included