The Welland USB 3.1 host card is a SuperSpeed USB 3.1 PCI Express add-on card, and it's compliant with the PCI Express Generation 2 (Dual-Lane x2) specification for host PC system. The PCI-E card features 1 USB Type-A port and 1 USB Type-C port that works up to 10 Gbps for data transfer when connecting to USB 3.1 compliant peripherals, while maintaining compatibility with existing USB peripheral devices. USB 3.1 performance is 2 times faster than USB 3.0 connectivity. With this unique technology, it can output efficient power to USB device without additional power adapter connection. The Welland USB 3.1 host card is an ideal choice for external storage devices, MP3 players, external writers, digital cameras, webcams, networking and video devices, and all other USB devices. With USB HotSwap and Plug & Play function, no need to worry about running out of slots on your motherboard or complicated hardware installation process. It is definitely a perfect USB 3.1 add-on card for SuperSpeed connectivity.