The Memorex 64GB USB 3.1 is a high-capacity external drive that is compatible with laptops, PCs, and Macs. It features USB 3.0 specification and has a sleek black color. With a read speed of 500MB/s and a transfer rate of 150 Mbps, this USB drive offers fast data storage and retrieval. The writable format includes Blu-ray BD-R Dual Layer and CD-R, making it versatile for various storage needs. Additionally, the drive is powered by USB and comes with a 1-year manufacturer warranty, ensuring reliability and longevity.