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
Ploopy Adept Trackball
A wired, open-source, 3D-printed six-button trackball with a 1.75-inch ball, PMW3360 sensor and QMK/VIA firmware, sold assembled or as a kit.
Some specs could not be matched to a source · Last verified: 2026-10-17
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Where to buy
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Pros
- Six buttons remappable through QMK and VIA, with settings saved on the device
- PMW3360 sensor at up to 12,000 DPI and polling above 1,000Hz
- Open-source design files and firmware; the case can be reprinted or repaired
- Omron D2LS-21 switches rated for 5 million clicks
Cons
- The manufacturer warns roller bearings make a noticeable scratchy noise
- No scroll wheel; scrolling relies on drag scroll with the ball
- Wired only; the kit version requires soldering
Specs
| Handedness | Ambidextrous |
|---|---|
| Ball size | 44.45 mm |
| Ball position | Center |
| Buttons | 6 |
| Scroll | Ball |
| Weight | — |
| Connectivity | USB |
| OS | windows, macos, linux |
| Released | — |
AD · detail-mid
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