Further reading: The best PC gaming mice What polling rate tests show. You just have to look at polling rate performance tests to see why you don’t need a mouse with a 4K polling rate.

But the Keychron M5 looks to be doing something entirely different—combining the vertical shape of an ergonomic mouse with an 8K polling rate, a 30,000 DPI sensor, and PTFE feet (via Notebookcheck).

Razer has designed the new Viper 8KHz gaming mouse to provide you with “unparalleled speed, precision, and responsiveness”.The polling rate of the gaming mouse is the frequency at which a ...

To achieve the 8000Hz wireless polling rate, you do need a separate dongle that sits close to the mouse. Thankfully, this is included in the box for the Razer Viper V3 Pro, so you don't need to ...

The new Viper 8K packs a 20,000 DPI Focus+ optical sensor alongside Razer's second-gen optical mouse switches, which are rated for 70 million clicks and are said ...