Function: 1. Main Control ASM3242: This USB 3.2 Gen 2 expansion card is adapted do of the main ASMedia ASM3242 control chip, which ensures fast and stable transmission. 2. 20 Gb/s transmission: This PCIe to USB 3.2 expansion card uses a Type-C interface that supports data transmission at do 20 Gb/s. Support USB3.2 GEN2x2 standard, backward compatibility with USB3.0 and USB2.0. 3. Widely compatible: This PCIe card on USB 3.0 Gen 2 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 no additional installation is required. The motherboard must support PCI E3.0 4X slots to achieve a high transmission speed of do 20 Gb/s. 5. Accessory Requirements: To maximize performance, this PCIe USB 3.2 Gen 2 expansion card requires a 20G Type-E cable and a 20 Gb/s hard drive enclosure. Specification: Item Type: USB 3.2 Gen 2 Expansion Card Material: printed circuit board Main Control: for ASMedia ASM3242 Product Interface: PCI E4X (please note that the E-cable must support 20G cable) Supported system: suitable for Win 10, for Win 11 32/64bit, for OS X laptop, for Linux How to use: Plug and play List of packages: 1 x Expansion card USB 3.2 Gen 2 1 x bracket