Logitech MX Master 3S Review: Is It Worth It?

The Logitech MX Master 3S is often called the gold standard for productivity mice. Our editorial team compared specifications, buyer feedback and key decision factors to see if it lives up to the hype. We examined its design, silent clicks, MagSpeed scroll wheel, multi-device connectivity, and battery life, and we compared it with the previous MX Master 3 to help you decide if the upgrade is worthwhile.

Design and Build: Premium Ergonomics

The MX Master 3S retains the iconic sculpted shape that made its predecessor popular. The dark graphite or pale gray finish feels soft-touch and premium. The thumb rest is well-placed, and the contour supports your hand naturally, reducing strain during long work sessions. The mouse is right-handed only, which is a drawback for lefties. At 141 grams, it feels solid but not heavy, and the weight distribution is balanced.

Build quality is excellent. The buttons have a satisfying, albeit silent, click. The scroll wheel is machined steel with a rubberized surface, giving a tactile feel. The side scroll wheel and gesture button are conveniently positioned. The USB-C charging port is on the front, making it easy to charge while working.

Performance: Silent Clicks and 8K DPI

One of the biggest upgrades over the MX Master 3 is the silent click mechanism. Logitech claims it reduces click noise by 90%. In practice, the clicks are soft and muffled, which is a boon in open offices or when recording videos. The 8,000 DPI sensor is a significant jump from 4,000 DPI, allowing precise tracking on high-resolution monitors. It also works on glass surfaces, thanks to Darkfield technology, which is a lifesaver when you're on the go.

The MagSpeed scroll wheel is a standout feature. It has two modes: ratchet and free-spin. In free-spin mode, you can scroll through thousands of lines with a flick, and the smart shift automatically switches to ratchet mode when you need precise control. The wheel is smooth and nearly silent, making it ideal for long documents or code.

Ease of Use: Multi-Device Connectivity and Flow

Setting up the MX Master 3S is straightforward. You can pair it with up to three devices via Bluetooth or the included USB receiver. The Easy-Switch button on the bottom lets you cycle between devices instantly. The Logitech Options+ software is required for full customization, including button remapping, gesture controls, and per-app profiles. The software is intuitive, though some users find it bloated.

Flow is the killer feature. It allows you to move the cursor across multiple computers, copy and paste text, and even transfer files between them, as long as they are on the same network. This is a huge productivity booster for those who work with a laptop and desktop. It works seamlessly with Windows and macOS, though setup requires installing Options+ on all devices.

Battery Life and Charging

The MX Master 3S has a rechargeable battery that Logitech rates at up to 70 days on a full charge. In real-world use, with 8 hours a day, you can expect around 40-60 days, depending on your usage. The USB-C port allows fast charging: a one-minute charge gives three hours of use. This is convenient for those who forget to charge. The battery is not replaceable, but it should last several years before degradation becomes noticeable.

Comparison with MX Master 3: Should You Upgrade?

The MX Master 3S is essentially an MX Master 3 with two key changes: silent clicks and a higher DPI sensor. The sensor upgrade is negligible for most users unless you have a 4K or 5K display. The silent clicks are a tangible improvement if you work in a quiet environment. Otherwise, the two mice are identical in shape, wheel, and connectivity. If you already own an MX Master 3, the upgrade is hard to justify unless you crave silence. If you're buying new, the 3S is the better choice, but watch for deals on the 3, which may be cheaper.

Cleaning and Maintenance

The soft-touch surface can attract fingerprints and dust. To clean, use a microfiber cloth slightly dampened with water or a mild cleaner. Avoid harsh chemicals that can damage the coating. The scroll wheel can accumulate debris between the ridges; use a soft brush or compressed air. The sensor on the bottom should be kept free of lint. Regular cleaning will keep the mouse looking and performing well.

Common Buyer Complaints

While the MX Master 3S receives high praise, some users report issues. The most common complaint is the lack of a left-handed version. Another is the price, which is steep compared to standard mice. Some users find the software intrusive, and a few have experienced Bluetooth connectivity drops, though this is often resolved by updating firmware. The USB receiver is USB-A, not USB-C, which is an oversight for modern laptops. Finally, the silent clicks may feel too soft for those who prefer tactile feedback.

Final Verdict

The Logitech MX Master 3S is an exceptional productivity mouse that excels in ergonomics, silent operation, and multi-device control. It is not a revolutionary upgrade over the MX Master 3, but it refines the formula. If you need a quiet, precise, and comfortable mouse for work, it is worth the investment. However, if you are on a budget or already own an MX Master 3, you may want to hold off. Check the current price on Amazon to see if it fits your budget.