We knew it was coming, and now it is finally out! RAZER VIPER 8KHz. 8000Hz HyperPolling Technology, Focus+ 20K DPI Optical Sensor, and 2nd-gen Razer™ Optical Mouse Switches. I'm super hyped. :
The new Razer Viper 8K is the fastest gaming mouse in the world | Windows Central
Razer Enables 8 KHz Polling Rate on More Mice, Via Firmware Update | Tom's Hardware