Bandwidth Speed: USB3.1 10Gbps PCIe4.0 gen4x2 ,CFexpress card reader USB 3.1 Gen 2 is a high-speed card reader that utilizes USB 3.1 Gen 2 technology to provide ultra-fast data transfer speeds of up to 10Gbps and can transfer tens of gigabytes of data in seconds, Ideal for handling large amounts of HD video and photos Product use: suitable for the extension of the CFexpress card to the USB3.0 or USB3.1 slot.(not work for XQD card),The CFexpress memory card USB 3.1 Gen 2 is compatible with a variety of platforms, including Windows, Mac, and Linux, and can be used for PC, desktop, for Mac and for iPad to facilitate data transfer. It also supports type C connectors for easier plugging and unplugging One USB-C input and two CF-express slot at the adapter. When you connect the CFA & CFB card, Only one can work at same time (USB3.1 Type-A and Type-C connector for the cable Material advantages: high-quality gold-plated connectors are used, high-frequency and low-resistance high-quality materials are used for the PCB, and the PCB is precision-crafted Design advantages: Differential signal enhanced layout design, no CAF micro short circuit phenomenon, high-speed signal data transmission, no parasitic capacitance and parasitic inductance signal attenuation interference