The Ativa DH-3H20A DVD/CD Rewritable drive is an internal desktop drive that offers versatile functionality for reading and writing various types of media, including DVD+R Dual Layer, CD+RW, CD-RW, and more. With a PATA/IDE/EIDE interface, this drive provides efficient data transfer and is compatible with a range of devices. The Ativa brand ensures quality and reliability, making this model a dependable choice for those looking to upgrade their computer's optical drive capabilities.