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Logitech MX Ergo S Trackball, Wireless Black, W128940621 (Black)

Logitech MX Ergo S Trackball, Wireless Black, W128940621 (Black)

Bottom line: The Logitech MX Ergo S Trackball: Wireless trackball keeps your hand stationary, reducing arm sweep across the desk; main trade-off: trackball control has a real learning curve versus a traditional mouse.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Wireless trackball keeps your hand stationary, reducing arm sweep across the desk
  • ✓ Trackball design needs minimal desk space and works on nearly any surface
  • ✓ Ergonomic MX shape built for all-day comfort during long work sessions
  • ✓ Move the cursor without sliding a mouse, ideal for tight or cluttered desks

Cons

  • ✗ Trackball control has a real learning curve versus a traditional mouse
  • ✗ Premium positioning puts it well above most standard wireless mice
  • ✗ Ball and bearings need occasional cleaning to keep tracking smooth
  • ✗ Offered only in black, with no lighter colorway choices

Manufacturer description

Logitech MX ERGO S Trackball, wireless black, W128940621 (black) black

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SpecPicks Verdict

SpecPicks scored Logitech MX Ergo S Trackball using a rating × review-volume × price-fit model applied to published specs and reviews across the keyboards & mice category. Compare with similarly-priced alternatives in the keyboards & mice category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for keyboards & mice of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • W128940621

Full Specifications

BrandLogitech
ColorBlack
Unit Count1.0 Count
ConnectivityWireless
Model Number910-007260
Button Quantity8
Connection TypeWireless
Mfr Part Number910-007260
Special FeatureErgonomic Design
Number of Buttons8
Movement DetectionTrackball
Additional FeaturesErgonomic Design
Number of Batteries1 Lithium Polymer batteries required. (included)
Are Batteries IncludedYes
Are Batteries RequiredYes
Movement Detection TechnologyTrackball
Global Trade Identification Number05099206124547

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Logitech MX Ergo S Trackball, Wireless Black, W128940621 (Black)
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