Backwards compatible with USB 3.0 and USB 2.0Compatible with PC and Mac laptop and desktop computersUp to 10x faster than standard USB 2.0 flash drivesThe durable, light-weight design of the PNY Attaché 4 USB 3.1 Flash Drive provides a convenient way to store and share easily your documents, music and photos. The portable Flash Drive incorporates a sliding collar cap less design that means for no more lost caps. This USB 3.1 Flash Drive is small in size, but big on performance! SeriesPNY AttacheCapacity32GBInterfaceUSB 3.1Read/Write SpeedRead: up to 80MB/s (on 3.1 port)Write: up to 20MB/s (on 3.1 port)