Sandisk Ultra USB flash drive, 64 GB, Black (SDCZ48-064G-A46) Transfer files up to 10x faster than standard USB 2.0 Transfer a full-length movie in less than 40 seconds Fast performance speeds (up to 100MB/s read) USB 3.0-enabled (USB 2.0 compatible) SanDisk SecureAccess software protects private files with a personal password and automatic 128-bit AES encryption Protects Private Files With Sandisk Secureaccess(tm) Software Password Protection Uses 128-bit Aes Encryption & Is Supported By Windows(r) Xp, Vista(r), 7, 8 & Mac(r) Os X V10.5+ Usb 3.0-enabled & Usb 2.0-compatible Read Speeds Up To 80mbps 64gb