Microsoft IntelliMouse Explorer 3.0

The original Microsoft IntelliMouse Explorer 3.0 was released in 2001 and quickly became a legendary piece of hardware in the early competitive PC gaming scene. It utilized an early optical sensor that provided superior tracking compared to mechanical ball mice of the era.

Yes, Microsoft released a modern revival of the classic shape called the Classic IntelliMouse in 2018. While it updated the internal sensor and changed the tail light color to grey, it maintained the iconic ergonomic silhouette loved by fans of the original 3.0.

In the mid-2000s, the IntelliMouse Explorer 3.0 was the standard mouse for professional Counter-Strike players due to its highly comfortable right-handed ergonomic shape. Its optical sensor also featured a unique low lift-off distance, which benefited players with low sensitivity who frequently lifted their mice.

Yes, the classic IntelliMouse Explorer 3.0 connected via a wired PS/2 or USB cable, operating at a polling rate of 125Hz. Many competitive gamers of the era used specialized software to overclock the USB polling rate to 500Hz or 1000Hz to reduce input lag.