Editor’s note (11/10/25): After spending another month with the MX Master 4, our impressions remain largely unchanged. The new textured plastic finish and silicone thumb rest have shown no signs of ...

Update November 11: The Logitech MX Master 4 has regularly been out of stock since its initial launch last month. Right now, however, it’s in stock and ready to ship on Amazon. Act fast if you’ve been ...