FOUR INDEPENDENT SUPERSPEED USB 3. 0 TYPE -A PORTS: delivers up to 5Gbps data transfer per port for a total USB bandwidth of up to 20Gbps HIGH PERFORMANCE: Industry recognized Renesas uPD720202 chipset SUPERSPEED: Supports the following speed data rate as follows: Low-speed (1. 5 Mbps) / Full-speed (12Mbps) / High-speed (480 Mbps) / Super-speed (5Gbps). Compliant with Intel's eXtensible Host Controller Interface (xHCI) Specification Revision 1. 0. Compliant with PCIe 2. 0 standard ADVANCED FEATURES: Low-profile bracket design fits lower size system form factor with included low profile bracket. Each USB port featured with independent over-current protection to further protect your devices and the board itself from unforeseen power spikes 2 YEAR WARRANTY WITH PREMIUM CUSTOMER SUPPORT: fully compliant with USB 3. 0 specification, Certifications/Standards: FCC, CE, RoHS. Our products are backed with experienced tech support team in Silicon Valley.