"For both SATA and IDE drive Support 2.5" and 3.5" drive size SuperSpeed USB 3.0 USB bus power for 2.5" drive usage Detachable docking stand"It features the new USB 3.0 interface for up to a 5 Gb/sec transfer rate but still backwards patible to USB 2.0 transfer speeds. The MB881U3-1SA is perfect for any DIY user or IT Professional in need of a quality hard drive adapter. This adapter will work with both SATA drives and IDE drives and use them on a USB 3.0 interface. The 2.5" SATA/IDE drives can be powered with the USB cable alone. A power adapter is included for faster or bigger 2.5" hard drives or 3.5" hard drives. Using the USB 3.0 interface will maximize the IDE drives read/write speeds not found on other USB 2.0 products.