2 x eSATA Port - Transfer rate up to 6.0 Gbps, Support SATA I / II / III speed * Support Port Multiplier and FIS-Based switch. Support up to 8 hard drives * PCI Express Base Secification Rev 2.0, PCI Express Card Electromechanical Rev 2.0 * Serial ATA AHCI Spec. Rev 1.3, Serial ATA Revision 3.0, One lan PCI Express for 2.5 and 5.0 Ghz signaling * Single vitrual Channel, SSC support, ECRC and Advnced Error Reporting Capability