Macally G-S350UN Hi-Speed Network/USB2.0 Storage Enclosure for 3.5inch SATA HDD Designed for all 3.5-Inch SATA I and SATA II hard disk drives Solid Aluminum body for excellent heat dissipation and protection to your hard disk drive Supports Gigabit Ethernet network, compatible to all 10/100/1000 Mbps Works as a USB2.0 HDD when connected to a computer directly High performance server for your iTunes music, video, photos and data storage