SEDNA - Internal 4 Port USB 3.0 Hub (Floppy Bay) Fits desktop PC 3.5" Floppy Bay USB 3.0 specification rev. 1.0 compliant Supports Super Speed 5 Gb/s, High-Speed 480 Mb/s, Full-Speed & Low-Speed, Max. 5 Gb/s USB transfer rate 20 Pin to 2 x Type A adapter included 4 Pin Power connector for PC Power supply