Features: Compliant with Serial ATA3.0 specification, backward compatible with SATA2.0 SATA1.0 Compliant with PCI-Express v2.0 specification, backward compatible with PCI-Express v1.0. Supports communication speeds of6.0 Gbps, 3.0 Gbps and 1.5 Gbps Supports Gen 1x, Gen 2i, Gen 2m, Gen 2x, and Gen 3i. Supports two SATA Support AHCI1.0 mode and IDE modeSupport for Command Queuing (NCQ)Supports base port multiplier switch or command switch.Hot-plug and hot-plug are supported.Compatible with SATA6G, 3G and 1.5Ghard drivesbus interfacePCI-Express x1 slotExtension ports2 SATA3.0 portsSystem RequirementsThere is an available PCI ExpressX1 slot and supports both PCI-E X2 X 4 X 8 X16Operating System: Win11/10/8/7 (32/64bit)/Vista (32/64bit)/XP/2003/2008/linux Specifications: Material:PCB Color:Black, Size:Approx.68X66.2X120mm/5.12x2.61x 4.72in Option Type:pci e to Power eSATA USB Expansion Card,pci e to Power eSATA USB Expansion Card with PESATA Cable Model:PCE2EAT-A01 Chip:ASMeia ASM1061 Function:pci-e to Dual Port POWER OVER ESATA Speed:6Gbps Support: pci-e 1X 4X 6X 16X Support:WINXP/WIN7/8/10/11/LINUX Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: Package A:(A/B Optional) 1x pci e to Power eSATA USB Expansion Card Package B: 1x pci e to Power eSATA USB Expansion Card 1x PESATA Cable