Logitech MX Master 4: New leaks reveal additional specs, price and release date


A series of leaks has revealed more information about Logitech’s upcoming MX Master 4 mouse. Specs-wise, it is mostly identical to the MX Master 3s with only a handful of notable upgrades.
The Logitech MX Master 4 leaked multiple times in the past few months- once via an EUIPO filing and the next time via an Amazon listing. The former gave us a peek at its design, while the latter revealed information about its innards. Now, a new leak reveals its full spec sheet.
On account of an extra eight button and a motor to facilitate haptic feedback, the MX Master 4 will weigh 150 grams, 9 grams more than the MX Master 3S. Additionally, it will be slightly larger at 128.2 mm (height), 88.4 mm (width) and 50.8 mm (depth). Its overall in-hand feel might not change much.
Other than that, the MX Master 4 is largely identical to its predecessor with its 8K DPI sensor (adjustable in 150 DPI increments) and 500 mAh battery. Logitech claims a single charge can last you 70 days. As confirmed earlier, a USB-C charging cable will not be included in the package, and those who buy the MX Master 4 for Mac won’t get a 2.4 GHz dongle either.
Not surprising given the MX Master 3S didn’t come with one either. You do, however, get a one-month subscription to Adobe Creative Cloud free with your MX Master 4 for Mac. Winfuture.de states it will not get a price increase and cost €129.99 at launch. It is expected to hit shelves on September 30.
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Anil Ganti – Senior Tech Writer – 2679 articles published on Notebookcheck since 2019
I’ve been an avid PC gamer since the age of 8. My passion for gaming eventually pushed me towards general tech, and I got my first writing gig at the age of 19. I have a degree in mechanical engineering and have worked in the manufacturing industry and a few other publications like Wccftech before joining Notebookcheck in November 2019. I cover a variety of topics including smartphones, gaming, and computer hardware.
Anil Ganti, 2025-08-26 (Update: 2025-08-26)