Here is an innovative idea of getting SATA (Serial ATA) and IDE/PATA interface integrated into one docking station for immediate folder access. It gives a more convenience way of plugging 2.5" or 3.5" SATA HDD 2.5" or 3.5" IDE HDD into this special design USB docking station at the same time. The Hard Drive Dock is a complete and easy way to add or swap hard drives to your computer. It gives you the flexibility of connecting any IDE/SATA(I/II) hard drive to your computer via USB 2.0 or ESATA connection without opening up your computer case or installing into an enclosure. Simply just insert any 2.5" or 3.5" IDE /SATA(I/II) dual hard drive into the Docking and you are ready to transfer,copy or backup files. Quick and easy, the Hard Drive Dock is the perfect solution to access your hard drive in seconds Standable, convenient and trendy design USB1.1, USB2.0, SATA I, and SATA II compatible Hi-speed USB2.0 data transfer rate up to 480mbps(Max), SATA II（eSATA） transfer rate up to 3GB/s Can switch to change for 2.5" or for 3.5" use Supports 2.5/3.5 inch IDE/SATA Hard Drive, up to 2TB Plugs and play and hot-swappable Power LED indicator On/Off switch Compatible with Linux/Mac OS 9.x or above OS compatible: Windows 7/8/Vista/XP/2000/ME/98SE, Mac OS 9.x or higher