Standard Mini PCI-E interface for mini ITX, embedded and industrial motherboards; Equipped with 19Pin USB 3.0 female internal header for front panel wiring; USB 3.0 5Gbps high-speed transmission, backward compatible with USB 2.0 / 1.1; Matched USB 3.0 extension cable included for neat internal chassis routing; Multi-system compatibility with Windows & Linux, built-in overcurrent protection