Microsoft LifeCam HD-3000 for Business/CD-ROM/USB 2.0/Windows® 7, Windows Vista®, Windows XP (with Service Pack 2 (SP2) or higher); VGA video calling: Intel Dual-Core 1.6 GHz or higher, 1 GB of RAM; 720p HD recording: Intel Dual-Core 3.0 GHz or higher, 2 GB of RAM