The Lite-On LTD-163D DVD-ROM Internal Drive is a 16X ATAPI drive designed for use with PCs. It has a 5.25-inch form factor and comes in a sleek black color. This external drive is capable of reading DVD-R and DVD-ROM formats, as well as writing to DVD-R, CD-R, DVD+RW, and CD-RW formats. With a cache size of 2 MB, this DVD drive offers fast and efficient performance for all your optical media needs.