Specifications Available Capacities 64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB Compatibility PC or Notebook with a USB interface Operating Systems Windows Vista/ XP/ 2000/ ME/ 98/ 95, Mac OS 8.6 and above, Linux 2.4.X Drivers Only required for Windows 98/ 95. Online download available Transfer Rate High Speed USB 2.0. USB 1.1 Compatible Data retention 10 Years Minimum Dimensions 1.54" ( 39mm ) Imprint Surface Plastic Weight 0.46oz ( 13g )