Flash Drive PVC Cartoon Bee Style USB 2.0 Standard Hot Swap Portable USB Memory Stick for Office Business Pink 64GB Item Type: Flash Drive Material: PVC Support System: No Driver Required (for Win 98+) Support for Win 98, for Win, for Win Me, for Win 2000, for Win XP, for OS X 9.x, for OS X and for Linux 2.4.x Interface: USB2.0 Computer: IBM PC, for OS X PC or Laptop, etc. Speed: Maximum Write Speed 10 to 20 (MB/s), Maximum Read Speed 4 to 10 (MB/s) Applications: Backup Files, Videos, Etc. Displayed Capacity and Nominal Capacity Are Different Because the Calculation Method is Different Manufacturer's Standard: 1GB / 1000MB / 1MB = 1000KB Regarding the Available Capacity: Please Note the Memo About the Capacity of Storage Products. 4GB = approx. 3.4GB-3.8GB 8GB = approx. 7.4GB-7.6GB 16GB = approx. 14.5GB-15.5GB 32GB = approx. 28GB-30GB 64GB=approx. 58GB-60GB 128GB=approx. 119GB-124GB 256GB=approx. 249GB-250GB 512GB=approx. 498GB-500GB