Specifications: Features: Supports 5 x USB 3.0-TYPE-A x19PIN 5Gbps. Supports the following speed data rates as follows: Low-speed (1.5Mb/s) / Full-speed (12Mb/s) / High-speed (480Mb/s) / Super-speed (5Gb/s). Single-lane (x1) PCI throughput rates up to 5 Gb/s. Fits any PCI x1, x2, x4, x8 or x16 socket. Supports simultaneous of multiple USB 3.0/2.0/1.1 devices. Hot-swapping feature allows you to connect/disconnect devices without powering down the system. Support UASP: 70% Faster than traditional USB 3.0, with UASP Transfer Protocol; The UASP Transfer Protocol only can accelerate read and write speed of SSD hard disk. Operating Systems: For , and for 7 (with included drivers) For 8/8.1/10 - No additional drivers are needed for For and Users Please