Silicon Power Portable eSATA/USB SSD II Portable Drive ~ Dual Interface, Twice the Experience Silicon Power, the leading brand among Solid State Disk (SSD) Manufacturers lifts the benchmark another notch with their new Portable eSATA / USB SSD II. It is the world’s first eSATA (eSATA; External Serial ATA) /USB dual interface portable SSD drive. The new drive emphasis the convenience of USB connection and the ultra fast performance of eSATA interface as an external drive. Overall, the drive has excellent aesthetics