Macally 3.5-Inch Aluminum SATA to eSATA and USB 3.0 Storage Enclosure (G-S350SU3) Most advanced SATA III to USB 3.0 technology Designed for all 3.5 SATA I, SATA II and SATA III hard disk drives Supports USB 3.0(5Gbps) and USB 2.0(up to 480Mbps) host connection Made for the latest Mac and PC computer with USB 3.0 port Solid Aluminum body for excellent heat dissipation and protection to your hard disk drive Easy-to-access front power button, with active LED to indicate power and data access status Auto switching(110~240V) AC adaptor included Horizontal position for stacking, and space saving vertical position with stand