The Lenovo DH-16AFSH SATA Recordable/ CD-RW Drive is an internal desktop drive designed for ThinkCentre M79 computers. With a SATA I interface, this drive allows for fast data transfer and efficient performance. It is capable of writing to CD-RW media, providing users with the flexibility to both read and write various types of optical media. This reliable Lenovo drive is a practical choice for those looking to enhance their desktop's optical drive capabilities.