Logitech HD Pro Webcam C920

1 GHz processor or faster
512 MB RAM or more
200 MB hard drive space
Internet Connection
USB 1.1 port (2.0 recommended)
For HD 720p video calling & Full HD 100p video recording:

2.4 GHz Intel Core 2 Duo
2 GB RAM
200 MB hard drive space
USB 2.0 port
1 Mbps upload speed or higher
1280 x 720 screen resolution