The Alpha includes a one year limited hardware warranty, which is fairly standard for the sub - $ 1,000 market. (digitaltrends.com)
According to Logitech's support site, the company offers a two year limited hardware warranty for the G433. (digitaltrends.com)
The G403 ships with a standard two year limited hardware warranty with proof of purchase, protecting your mouse from manufacturer defects that might show up down the line. (digitaltrends.com)