Corsair M75 Wired RGB Lightweight FPS Gaming Mouse – 26,000 DPI – Swappable Side Buttons – PC – Black

Corsair M75 Wired RGB Lightweight FPS Gaming Mouse – 26,000 DPI – Swappable Side Buttons – PC – Black

comments:

zoredache posted on r/mousereview3w

You can get mice with side buttons on both sides. You can even use the extra buttons for macros. For example a Corsair M75. The old logitech G300s where also good, but I don't think you can buy them anymore. The buttons tended to fail after a couple years of usage though. I know I saw a couple others when I was last looking.