The Memorex 8X Slim DVD Multi-Format External Recorder Writer MRX-650LE v7 in White is a versatile external drive that can be used with laptops, PCs, and Macs. With a read speed of 500MB/s and an 8x write speed, this unit offers fast and efficient performance. It is USB-powered and features a 1 MB cache, making it convenient for use with various devices. The Memorex MRX-650LE V7 is designed for DVD+RW and CD-RW writable formats, providing flexibility and compatibility for a range of needs.