The HP DVD-ROM SATA Drive Model DH40N is an internal desktop drive designed for use with PCs. It features a 5.25-inch form factor and has a read speed of 500MB/s. This unit is in black color and is compatible with DVD-ROM readable formats. The drive is manufactured by HP and has a SATA I interface, making it a reliable choice for those looking to add a DVD drive to their desktop computer. UNTESTED