... of usb flash drive: Storage Capacities:64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB,128GB……Transfer Rate:Hi-Speed USB 2.0 Certified, Compatible USB ... or Mac with a USB interface.Operating System:Windows 7/Vista/XP/2000/ME/98 and Mac OS 8.6 and aboveData ... Transfer Speed:10MB/s-15MB/s for read. 2.5MB/s-5MB/s ...