Adds two USB 3.1 Type-A ports to your desktop computer via an available PCI Express slot Complies with PCI-Express 3.0 standard Supports the latest USB generation 3.1 Gen 2 with data transfer rate up to 10Gb/s Supports plug-n-play, hot-swapping, and backwards compatible with USB 1.1 / 2.0 / 3.0 Each USB port provides up to 900mA power output to better support the power consumption of your connected device Each USB port features independent over-current protection to further protect your device Built-in 15-pin SATA power connector connects to the system power supply, as needed, to ensure sufficient power is supplied to the USB ports Dual-profile design installs into different form factor system chassis with the included full and low profile brackets