The Sony DRU-820A DVD/CD Rewritable Computer Drive is a high-quality internal desktop drive that is compatible with PCs. With a sleek silver design, this drive offers fast write speeds of up to 16x and has a cache size of 2 MB. It can read and write various formats such as DVD-R, DVD+R, DVD-RW, CD-R, DVD-ROM, and CD-ROM, making it versatile for a wide range of tasks. This product is reliable and efficient, making it a great choice for those in need of a dependable DVD/CD drive for their computer.