When comparing Kensington Expert Mouse vs Roccat Savu, the Slant community recommends Roccat Savu for most people. In the question“What is the best gaming mouse?” Roccat Savu is ranked 42nd while Kensington Expert Mouse is ranked 55th. The most important reason people chose Roccat Savu is:
Roccat Savu has a lighter than usual braided cable that helps prevent kinking, curling and protects the cable prolonging life of mouse.
Specs
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Pros
Pro Comfortable and ergonomic
With thumb and pinky on the buttons and three fingers controlling the ball, the user's wrist lays flat on the table (or on the provided attachable wrist rest).
Pro Intuitive link between ball motion and FPS camera angle
The ball is large enough for turning it to feel like physically rotating an object.
Pro A lightweight braided cable
Roccat Savu has a lighter than usual braided cable that helps prevent kinking, curling and protects the cable prolonging life of mouse.
Pro Accurate 4000 CPI optical sensor
The mouse has an accurate 4000 CPI optical sensor. No angle snapping, no acceleration, no prediction.
Pro Great grip provides good control over the mouse
A high quality rubberized grip on top and a sweat-proof grip material on the sides provides good control over the mouse.
Pro Full Linux support
Roccat has good Linux drivers.
Pro Roccat Talk informs which profile is selected when switched
Pro Easy+Shift allows for double mouse actions
Pro Good driver software
Pro Accomodating thumb rest
Pro Good build quality
The mouse weights 90g.
Pro Good for smaller hands
Cons
Con Not a mouse
This is a trackball, not a mouse.
Con Questionable secondary button defaults
The upper left button, which is the hardest to use, is middle click by default. The upper right, which the ring finger naturally rests near, defaults to Back. This can be particularly annoying as the Back button is easy to brush when moving hands between keyboard and mouse.
Con Reports of non-slip grip wearing off within a year
The soft touch coating does not last and will wear easily.