In case you have some additional info that should be included, or if I missed something important, let me know and I will include it. IMPORTANT: The 6970m is not officially supported by Dell. Upgrading to this card may void your warranty. The 6970m is a powerful card, it will draw more power and produce more heat. This card can significantly improve the performance of your system, however, the long-term effects of running this card in a M15x are currently unknown. But it works great so far