Aesthetically, the M575S isn’t terribly different from its more expensive counterpart, the MX Ergo S. Its 1.9-by-3.9-by-5.2-inch (HWD) shell curves inward to fit right-handed users (sorry, southpaws), and is canted about 5 degrees off your desk to help prevent wrist strain. However, the M575S’s shell lacks the MX Ergo S’s grippy texture and additional tilting options.
(Credit: Joseph Maldonado)
The M575S also copies the MX Ergo S’s layout. A pair of additional buttons sits to the left side of your…

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