1. Expandability: Add two USB 3.1 Gen 2 Type-C ports (10Gbps) to your new PC or older PCIe-equipped desktop. 2. Fast Transfer Speed: Equipped with Asmedia chipset, this expansion card offers a 10Gbps bandwidth, ensuring rapid data transfer speeds – the true speed of a single USB 3.1 port. 3. Compatible Slots: The PCI Express 4X to USB 3.1 Gen 2 expansion card is compatible with PCIe x4, PCIe x8, and PCIe x16 slots, but not PCIe x1, PCIe x2, or PCI. 4. Wide Compatibility: The Type-C expansion card supports Windows and Linux operating systems, is widely compatible, and is backward compatible with USB 3.0 and USB 2.0 devices. 5. PCI E to USB3.1: This PCI expansion card can expand to provide two additional ports. The USB C interface only carries data signals, not video signals. Item Type: PCI Express 4X to USB 3.1 Gen 2 Expansion Card Product Material: PCB Chip Used: For Asmedia ASM1142, 3142 PCIE: X4 (supports X4, X8, X16 slots, cannot be used for X1 slots) USB C: 2 x USB C 3.1 ports, backward compatible with USB C3.0, USB C2.0, and USB C1.1 Transfer Speed: Supports 10G, 5G, 480Mbps, 12Mbps, 1.5Mbps data transfer speeds.