Internal Interface: SATA External Interface: USB 3.0 and eSATA product code: AK-TL3SEB-BK
Internal Interface: SATA External Interface: USB 3.0
Internal Interface: SATA External Interface: USB 3.0 product code: AK-ENI3U3
External Interface: USB 2.0 product code: AK-IC020
External Interface:USB 2.0 and eSATA product code: AK-ENP2STON-BK