Compliant with USB 2.0 Specification. Compliant with USB 1.1 Specification. Supports PCI-Bus Power Management Interface 1.1 Specification # Supports 1.5/12/480 Mbps data transfer rate. LED light shows read and write state. Fully plug & play and Hot swapping support, high-speed data transfer. Support: Win98/ME/2000/XP/Vista/Mac O