* Manufacturer: SanDisk * Capacity: 128GB (user area about 115.2GB) * Interface: USB3.1/3.0/2.0 Gen 1 * International package * Compatible OS Windows Vista, Windows 7, Windows 8, Mac OS X v10.6 * Product package contains 1 GB of display capacity as 1000,000 bytes. in the USA.Actual usage capacity defines 1 Gigabyte as 1,073,741,824 bytes in the operating system.Also, as a portion of the memory capacity is used as a management area, the usable memory capacity is smaller than the product displayed.