Product Name: PCIe x1 to 2-Port Expansion Card Model: PA61S21 Chipset: Asmedia ASM1061 Bus Specification: PCI Express 2.0, Backwards Compatible with PCI Express 1.x Protocol Support: Serial AHCI Specification Rev. 1.3 Number of Ports: 2 x 3.0 (6 Gbps) Transfer Rate: 6.0 Gbps/3.0 Gbps/1.5 Gbps Auto-sensing Features: Hot-Swap, Native Queuing (NCQ), Port Multiplier System Compatibility: , Linux, and Other Operating Systems Color: Black Material: PCB Package Contents: 1 x PCIe 3.0 Expansion Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.