This is a genuine Dell Latitude LBL CD-ROM drive module with the part number 6T980-A01. It is compatible with Dell laptops D620 and D520 and has a form factor of 3.5 inches. The drive has a read speed of 2x and a write speed of 24x. It is gray in color and was manufactured in China. The readable format is CD-ROM.  Not compatible with DVD's.