Astrotek ExpressCard/34 eSATA card, 1x eSATA Port Specifications : - Express Card type 2(34mm) - 1 x eSATA Port - Max. 3 Gb/s transfer rate per port - Serial ATA AHCI specification rev.1.0 compliant - Serial ATA High Speed Serialized AT Attachment rev.1.0a compliant - Serial ATA II : Extensions to Serial ATA 1.0a Rev.1.1 complaint - Gen2i and Gen2m Serial ATA II Electrical specification rev. 1.0 complaint - Bus master programming interface for IDE ATA controller compliant - Supports Native Comma