Store and transfer images, music, documents and more up to 10x faster!The durable, light-weight design of the PNY Attaché 4 USB 3.0 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! Features & Benefits: USB 3.1 Flash Drive, Backward compatible with USB 3.0 & USB 2.0 Works with Windows® 7, Windows® 8, Windows® Vista, Windows® XP , Windows® ME, Windows® 2000, Mac® OS 8.6 and higher, Linux® kernel 2.4+ Dimensions : 53,8 x 19,5 x 9,5mm Write Speed: up to 20MB/s (on 3.1 port) Read Speed: up to 80MB/s (on 3.1 port) Warranty : 2 Years