The SanDisk Ultra USB 3.0 Flash Drive combines faster data speeds and generous capacity in a compact, stylish package. With transfer speeds of up to 80MB/s, this USB 3.0 flash drive can move files up to four times faster than USB 2.0 drives . With storage capacities up to 64GB, the drive can accommodate your bulkiest media files and documents. Features: Fast transfer speeds up to 80MB/s Transfer files up to four times faster than USB 2.0 drives Protect private files with SanDisk SecureAccess software USB 3.0-enabled and USB 2.0 compatible Specifications: Performance/speed: Read speeds up to 80MB/s Dimensions: 56.8 mm x 21.3 mm x 10.8 mm Operating temperature: (0 - 45 C) Storage temperature: (-10 - 70 C) Compatibility: USB 3.0 and USB 2.0 Power consumption: 4.5V - 5.5V Security: Password protection and 128-bit AES encryption Support OS: Desktop or notebook computer with USB port Windows 8 / 7 / Vista / XP / 2000 / ME Macintosh Mac OS 9.0 or later Linux. Kernel 2.6 or later