Features: 1.ASM3242 Main Control: This USB 3.2 Gen 2 expansion card adopts for ASMedia ASM3242 main control chip which ensures fast and stable transmission. 2.20Gbps Transmission: This PCIe to USB 3.2 expansion card adopts Type C interface which supports up to 20Gbps data transmission. Support USB3.2 GEN2x2 standard, backward compatible with USB3.0 and USB2.0. 3.Widely Compatible: This PCIe to USB 3.0 Gen 2 card is suitable for Win 10, for Win 11 32/64bit, for OS X Laptop, for Linux operating system. 4.Plug and Play: This USB3.2 Gen 2 card is plug and play, and additional installation is not required. The motherboard needs to support PCI E3.0 4X slots to achieve high speed transmission of up to 20Gbps. 5.Accessories Requirements: To maximize the performance, this PCIe USB 3.2 Gen 2 expansion card requires 20G Type E cable and 20Gbps HDD enclosure. specification:Item Type: USB 3.2 Gen 2 Expansion Card Material: Printed Circuit Board Main Control: For ASMedia ASM3242 Product Interface: PCI E4X (Note That Type E Cable Needs to Support 20G Cable) Supported System: Suitable for Win 10, for Win 11 32/64bit, for OS X Laptop, for Linux PackageList:1 x USB3.2Gen2ExpansionCard 1 x Bracket