This is the thomson DVD drive model TGM600 which can replace a damaged DVD drive in your Xbox.
If you are experiencing the Dirty Disk Error (DDE) then you may want to save some money by purchasing the Thomson drive replacement laser but if you are experiencing another problem such as the Error 12 code (PIO/DMA error) then you should pick up this drive.
The Thomson DVD drive is compatible to work on any Xbox versions 1.0-1.6