Logitech MX Master 3S vs MX Vertical: Which Mouse Saves Your Wrist?

When you are fifteen years old, you think your body is indestructible. You can sit cross-legged in an awkward dining room chair typing code for twelve hours and feel fine the next morning.

Then one day you wake up and your right wrist tingles with dull forearm pain from pronating your radius bone over a standard flat gaming mouse all semester.

I spent thirty days comparing Logitech’s two flagships: the MX Master 3S and the MX Vertical.

The 57-Degree Handshake Angle

The MX Vertical forces your hand into a neutral handshake posture. By eliminating forearm pronation, pressure on the median nerve inside the carpal tunnel drops substantially. The dull forearm burning sensation disappeared within three days of switching.

Where the MX Master 3S Wins

However, the MX Master 3S has one hardware feature that no other mouse can match: the electromagnetic MagSpeed scroll wheel.

• Flicking the steel wheel switches from tactile ratchet steps to frictionless free-spinning at 1,000 lines per second.
• When skimming through a 3,000-line server log or database table, free-wheeling scrolling saves thousands of repeated finger flicks a day.

Verdict: If you are currently experiencing active wrist tendonitis, buy the MX Vertical immediately. If you want maximum productivity and custom thumb gestures, the MX Master 3S is the king of office hardware.