TechPowerUp published a review on the Corsair Dark Core RGB Pro
A quote from the article:
The right-handed ergonomic Dark Core RGB Pro is the newest revision of Corsair's Dark Core series. The custom PixArt PAW3392 sensor, eight programmable buttons, and 2000 Hz maximum polling rate make it suitable for FPS, RTS, and MMO/MOBA games. Wireless operation is possible in low-latency 2.4 GHz or Bluetooth mode.Corsair Dark Core RGB Pro Review