Mediasonic H82-SU3S2 ProBox 8 Bay 3.5" Hard Drive External Hard Drive Enclosure - USB 3.0 & eSATA Support all brand of 3.5-Inch SATA I / II / III hard disk drive up to 10TB per drive, Support SATA III 6.0Gbps Hard Drive Speed Transfer rate up to 5.0Gbps via USB 3.0, and 6.0Gbps via eSATA Support SATA III 6.0Gbps hard drive transfer rate One button interface selection: Switch USB 3.0 or eSATA interface by pressing one button Smart Fan Function with built-in thermal sensor support Auto & Manual mode with 3 level of fan speed