Silicon Power 64GB Marvel M70 High Speed USB 3.0 Flash Drive, Silver (SP064GBUF3M70V1S) Ultimate High Speed - Read up to 230 MB/s, Write up to 80 MB/s Zinc Alloy Casing with Ergonomic Curve Design Retractable Design - Simple a thumb push LED Indicator - Transfer status at glance Works with PCs and Macs - Share data and files between different platforms Recover File Recovery - Undelete, Unerase, File and Disk Recovery Lifetime Warranty