TrackballsKensington Expert Mouse Wired Trackball K64325
A wired USB symmetrical trackball with a 55 mm ball, a scroll ring and 4 buttons, supplied with a detachable wrist rest.
~$87.65
ITAC Systems Mouse-Trak Professional
The ITAC Systems Mouse-Trak Professional is a stationary trackball with a 2-inch (50.8 mm) ball and an integrated hand support, operated with the fingertips.
Some specs could not be matched to a source · Last verified: 2026-10-17
~$197
Where to buy
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Pros
- Integrated hand support reduces wrist and elbow movement
- Buttons can be reconfigured for left- or right-handed use
- Needs no drivers; works with Windows, Linux and Mac OS
- Speed button toggles between ballistic and fixed cursor speed
Cons
- Fairly large at 4 in wide by 8 in deep, intended for a fixed position
- Weighs about 425 g, so not very portable
- Priced at $197, relatively high
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 50.8 mm |
| Ball position | Center |
| Buttons | 4 |
| Scroll | Ball |
| Weight | 425 g |
| Connectivity | USB |
| OS | windows, macos, linux |
| Released | — |
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