ADATA 64GB DashDrive UV128. Capacity: 64 GB, Device interface: USB Type-A, USB version: 3.2 Gen 1 (3.1 Gen 1), Read speed: 90 MB/s, Write speed: 40 MB/s. Form factor: Slide. Weight: 11 g. Product colour: Black,BlueThe sleek design features a sliding USB connector, which smoothly extends from the drive at the push of a thumb. The capless mechanical design eliminates the hassle of lost drive caps. The USB connector can be made ready for use with just one hand, for greater convenience when speed is a must.USB 3.0 High-Speed Transmission Interface.The USB 3.0 interface implements dual-channel transmission mode to deliver read speeds as high as 40MB/sec, and write speeds up to 25MB/sec, while retaining full backward compliance with USB 2.0 ports.Easy Thumb Activated Capless Design.The USB connector is concealed in the compact body, fully protected without the need for a drive cap. A simple thumb swipe forward makes it ready to use, and the reverse motion stows the connector for storage or travel.Graceful and Minimalist Design.The matte texture body is scratchproof and dirt-repellent. The UV128 comes in an elegant shape and in two stylish color schemes. The simple curves of this series make fashion more comfortable than ever.Create Own Personal Style.The UV128 is conveniently designed with a strap hole so that one can easily loop a string through and connect to a keychain or a mobile phone.