USB 3.0 SuperSpeed transfer rate up to 5 Gbps Backwards compatible with USB 2.0 / 1.1 Provides 4 USB 3.0 A Female downstream ports Plug & play, hot swap, no extra driver required VIA VL810 chipset Supplied with a 50cm USB 3.0 A to Micro-B Cable Includes a 5V 3A Multi-Country PSU Supported OS: Windows 7/Vista/XP/2000, LINUX Kernel 2.6.3.1 and above This neat SuperSpeed USB 3.0 hub provides convenient desktop access to your USB 3.0 peripherals. Backwards compatible with USB 2.0 and 1.1 it benefits from data transfer speeds of up to 5Gbps.