US Modular 4GB 2.0 USB QuikDrive with Content Manager (USBF2I-4GB) Hot Plug and Play Supports USB Specification 1.1/2.5 LED indicates power and busy Full compliance with Universal Serial Bus Specification v2.0 USB 2.0 data transfer rate up to 480Mbps at "High Speed" # USB 2.0 is 40X faster than USB 1.1