... , 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB.2. Interface: USB 2.0; 3. Operating Systems: Windows Vista/XP/2000/ME/98 ... /95 and Mac OS 8.6 and above; 4 ... . Transfer Rate: High Speed USB 2.0; 5. Data transfer speed: ... 15MB/s-21MB/s for read, 5MB/s-8MB/s for write; 6. Compatibility ...