HP Media (CD-R/CD-RW) C7981A is compatible in the following HP Models:

PC Combo Drives

HP DVD+RW/DVD+R/CD-RW COMBO DRIVE - A7781A

HP Vectra VL series

HP VECTRA VL410 - P5641A
HP VECTRA VL410 - P5642A
HP VECTRA VL420 - A7591S

HP DVD Movie Writer series

HP DVD MOVIE WRITER DC4000 - Q2125A
HP DVD MOVIE WRITER DC5000 - Q6754A

HP CD-Writer 9900 series

HP CD-WRITER INTERNAL 9900CI DRIVE - C9629A

HP CD-Writer 9700 series

HP CD-WRITER INTERNAL 9700I DRIVE - C9627A
HP CD-WRITER INTERNAL 9710I DRIVE - C9628A

HP CD-Writer 9600 series

HP CD-WRITER EXTERNAL 9600SE DRIVE - C4507A
HP CD-WRITER INTERNAL 9600SI DRIVE - C4506A

HP CD-Writer 9500 series

HP CD-WRITER INTERNAL 9500I DRIVE - C4502A
HP CD-WRITER INTERNAL 9510I DRIVE - C4503A

HP CD24 Internal CD-Writer series

HP CD24 INTERNAL CD-WRITER SERIES - Q2096A
HP CD24 INTERNAL CD-WRITER SERIES - Q2097A
HP CD24 INTERNAL CD-WRITER SERIES - Q2098A

HP CD16 Internal CD-Writer series

HP CD16 INTERNAL CD-WRITER SERIES - C9627B
HP CD16 INTERNAL CD-WRITER SERIES - C9628B
HP CD16 INTERNAL CD-WRITER SERIES - C9641A

HP CD12 Internal CD-Writer series

HP CD12 INTERNAL CD-WRITER SERIES - C4502B
HP CD12 INTERNAL CD-WRITER SERIES - C4503B
HP CD12 INTERNAL CD-WRITER SERIES - C9638A
HP CD12 INTERNAL CD-WRITER SERIES - C9640A

HP Brand License DVD Writer dvd600 series

HP DVD630E DVD WRITER - Q6761A
HP DVD630I DVD WRITER - Q6759A
HP DVD630VE DVD WRITER - Q6762A
HP DVD630VI DVD WRITER - Q6760A
HP DVD640I DVD WRITER - Q6766A

HP Brand License DVD Writer dvd500 series

HP DVD530I DVD WRITER - Q6750A
HP DVD530VI DVD WRITER - Q6751A

HP Brand License DVD Writer dvd400 series

HP DVD WRITER DVD420E - Q2132A
HP DVD WRITER DVD420I - Q2133A
HP DVD WRITER DVD420VE - Q2135A
HP DVD WRITER DVD420VI - Q2134A

HP Brand License DVD Writer dvd300 series

DVD Writer dvd300vi - Q2113A
DVD Writer dvd300xe - Q2111A
HP DVD 300E - Q2109A
HP DVD 300I (CLUB) - Q2110A
HP DVD 300I (RETAIL) - Q2108A

HP Brand License DVD Writer dvd200 series

DVD Writer dvd200xi - Q2103A
HP DVD WRITER DVD 200E - Q2099A
HP DVD WRITER DVD 200I - Q2101A
HP DVD WRITER DVD200XE EXTERNAL DRV W/SW - Q2104A

HP Brand License DVD Writer dvd100 series

HP DVD WRITER DVD100I - C9619A