Fast shipping from USA USB 3.0 transfer rates of up to 5Gbps Backward compatible with USB 2.0 Plug and play (no drivers needed) Dimensions: 7.6x4x1.1mm GL3520 Chipset This 4-port USB 3.0 hub offers a fast and simple connectivity solution for your computer with the most advanced USB standard currently available on the market. It is designed to achieve maximum throughput, whether its connected to a SuperSpeed USB 3.0 device with transfer rates of 5Gbps or a High Speed USB 2.0 device with rates of up to 480Mbps. The sleek compact design makes it an excellent choice for use with laptops, but it will perform equally well for desktop users. Compatible with all computers.