The SABRENT EC DFFN SATA Lay Flat Docking Station supports the direct insertion of Desktop 2.5"/3.5" SATA Hard Drives. It is a caseless solution that makes swapping hard drives easier than ever before. Plus, now you can take advantage of the lightnning speed of USB 3.0 to quickly transfer files up to 5 Gbps! Keep your drives running cool, with Built in cooling fan The docking station features a built in cooling fan that provides increased reliability and lifespan to HDDs by keeping the drives cooler.Take advantage of the lightening speed of USB 3.0 to quickly transfer files up to 5 Gbps! You can now attach your collection of USB devices to one Super Speed hub with the SABRENT USB 3.0 7 PORT HUB + 3 Smart Charging Ports with individual Power Switches. Easily expand an available USB 3.0 port on your computer to 7 USB 3.0 ports and 3 Smart Charging Ports with a sleek design. Plug and Play installation makes for an easy setup. Featuring 3 smart charging ports you can simultaneously charge your devices.