Rocketfish RF-AHD35 - Storage enclosure - 3.5" - SATA-300 - 300 MBps - Hi-Speed USB / eSATA-300 Allows you to convert 1 internal 3.5" SATA hard drive to an external hard drive; supports hard drives up to 750GB 2 USB 2.0 ports and 1 eSATA interface for ultrafast data transfer 2 built-in memory card slots support Secure Digital, MultiMediaCard, Memory Stick, Memory Stick PRO, xD-Picture Card, CompactFlash Type I/II and Microdrive One-touch backup function for easy data management PC and Mac compatible