CyberTech 2 Ports USB 3.1 Type-C to PCI Express 4X Adapter Converter Card 10Gbps PCI Express interface., support two USB 3.1 Type C ports. Support hot swap, plug and play. Compliant with USB 3.1 specification. USB 3.1 Type-C a super fast, convenient and powerful data transfer solution. Use Stable and reliable ASMEDIA Chipset ASM1142. Date transfer rate up to 10Gbps / 1GB/s. Compliant with PCI-Express specification revision 2.0x2X. Supports 10Gbps PCI-E bus with full duplex channel. Backward support to USB 3.0/ USB 2.0. Speed: 480 Mpbs for USB 2.0, 5 Gbps for USB 3.0.