Lexar JumpDrive S37 64GB USB 3.0 Flash Drive - LJDS37-64GABNL (Purple) Stores and transfers content faster with SuperSpeed USB 3.0 technology (up to 150MB/s read, 60MB/s write) Securely protects files using EncryptStick Lite software, an advanced security solution with 256-bit AES encryption Stylish, swivel design with automatically retractable connector and key ring loop Compatible with PC and Mac systems Backwards compatible with USB 2.0 devices