ATP ToughDrive (256 MB, USB 2.0, 200X) Windows ReadyBoost Compatible: All ATP USB drives are enhanced for use with Windows ReadyBoost Tough & Highly Durable: Tough Synthetic Polymer Housing for shock absorption and water resistance. High data transfer rate: Up to 30 MB/s! Speed up file transfers and multimedia streaming. Extremely Portable: Compact design for convenient storage and mobility. Compatibility: No driver needed for Windows 2000/ME/XP, Mac. OS 8.6 or above, Linux Kernel 2.4.0 or above.