USB 3.2 Gen 2x2 (Total 20Gbps) Speed to give you the Maximum File Transfer or Backup. Uses PCIe x4 slot interface with wider lanes for speed and large amount of data (Must have 4 lanes). Support UASP Devices on both ports for extra boost in speed when using latest OS. Support PCI-Express 3.0 specifications for increase speed thru the PCIe Bus. Support for Windows and Linux OS for latest Technology No drivers require when using Windows 10/11, already built into the OS native, just install card