The I/O Magic Sony Model 5224WI External USB CD-Rewriter Drive is a sleek silver external drive that is designed to be compatible with PC computers. With a read speed of 52x and a write speed of 52x, this CD-RW drive offers fast and efficient performance. It features a USB port for easy connectivity and has a cache size of 2 MB. This Sony-branded external drive, part of the I/O Magic Corporation product line, is a reliable choice for those looking to enhance their computer's CD/DVD capabilities.