1.brand new and high quality2.Built-in 2 port USB 2.0 hub3.No need to screw and unscrew case4.Connect to your computer using USB or eSATA 5.Built-in multi-card reader for SD/ MS/ CF/ XD-memory6.Support E-SATA， USB1.1， USB2.0， SATAⅠ， and SAT