High performance: Add 1 x USB-C SuperSpeed 20 Gb/s port to your desktop PC with this USB 3.2 Gen 2x2 PCIe Card; Expansion card provides up to 15 W (5 V at 3 A) to power and charge devices Full USB 3.2 gen 2x2 speeds: Featuring the ASMedia ASM3242 host controller using x4 lanes of PCIe 3.0, this card is fully capable of speeds up to 20 Gb/s enabling fast access to high-performance devices like NVMe drives and SSDs. Compatibility: Add-on card installs in full or low-profile (bracket incl) PCIe 3.0 x4 slot (Backward compatible w/PCIe 2.0); Windows/Linux/macOS with auto drivers Win 8 & up; Works with USB 3.2 Gen 2/3.0/2.0 devices, does not support DP Alt Mode for video via USB-C.