The PNY Attaché 4 USB 3.1 Flash Drive offers a storage capacity of 32 GB with read speeds of up to 20 MB/s and write speeds of up to 80 MB/s. It features a USB 3.1 Type-A interface and is backward compatible with USB 3.0 and USB 2.0. This durable, lightweight drive has a sliding design and is compatible with both PC and Mac computers. It is up to 10x faster than standard USB 2.0 flash drives. The dimensions of the drive are 53.8 x 19.5 x 9.5 mm.