Dual e-SATAIII support Port Multiplier PCIe V2 works in MAC/Windows/Linux 6Gbps SATA III dual ports PCIe Gen2 1x Lane Host Adapter. Dual eSATA / SATA 6Gb/s configurable interface support Port Multiplier 6Gb/s Supports PCIe 1.0 and PCIe 2.0 motherboard. Fully compliant with Serial ATA specifications 3.0. Supports SATA I & SATA II & SATA III HDD, SSD, Optical Drive and Blu-ray Drives.