Brand ADATA Model UV128-64G Quantity 1 Color Black + blue Material Plastic Capacity 64 GB Data Interface USB 3.0 Read Speed 90 MB/s Write Speed 40 MB/s Other Features USB 3.0 High-Speed Transmission Interface; The USB 3.0 interface implements dual-channel transmission mode to deliver read speeds as high as 90MB/sec and write speeds up to 40MB/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 scratch-proof 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. System requirements: Windows XP / Vista / 7 / 8 or later Mac OS X 10.5 or later; Linux Kernel 2.6 or later; no Indicator Packing List 1 x USB 3.0 disk