Logitech MX Master 4
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Overview
Productivity users who live in Logi Options+ and want the most feature-rich horizontal mouse. Skip it if you are left-handed, prefer a vertical mouse, or already own a 3S and do not care about haptics.
Primary mouse; the MagSpeed wheel is what makes long spreadsheets bearable. Bought 2026-03-31 from Amazon.com for US$119.99 (replaced an MX Master 3S bought Sept 2024).
Pros
- Sculpted shape with thumb rest and steel MagSpeed wheel
- Haptic Actions Ring for app-specific shortcuts
- 8,000 DPI Darkfield sensor works on glass
- Up to 70 days battery, USB-C, 3-device pairing
Cons
- Right-handed only
- Haptics add little outside supported apps
- Pricier than the MX Master 3S it replaces
- Mac edition is Bluetooth-only
Price
| What the owner paid | US$119.99 · Amazon.com · 2026-03-31 |
|---|---|
| List price now | US$119.99 / C$159.99 |
| Price history | Launched Sept 2025 at US$119.99 / C$159.99 and still lists there. US street hovers US$110-118; Best Buy cut the Pale Grey to US$89.99 (Oct 2025) and US$102.59 at Lenovo was the 2026 low (July). Walmart.ca showed C$138.38 in Oct 2026. |
Where to buy
The Amazon.ca button opens the verified product page for this exact model; no live price is shown here. As an Amazon Associate, Direct To Growth Co. earns from qualifying purchases. The Amazon.ca button is an affiliate link; the Amazon.com button is not (yet).
Specs
| Model | MX Master 4, Graphite (universal SKU with Bolt receiver) |
|---|---|
| Key specs | 8,000 DPI Darkfield sensor |
| Haptic Actions Ring, 8 programmable buttons | |
| Up to 70 days per charge, USB-C | |
| Bluetooth or USB-C Bolt receiver; ~150 g | |
| Check before ordering | Right-handed only; ~150 g; the 'for Mac' SKU drops the USB receiver; wait for the periodic US$90-105 dips |
Out of the box TBD
What came in the box, first setup, and the first thing that went wrong. Coming from the owner.
Daily use
Is the MX Master 4 worth it over the 3S?
Primary mouse; the MagSpeed wheel is what makes long spreadsheets bearable. Productivity users who live in Logi Options+ and want the most feature-rich horizontal mouse.
“Second MX Master in 18 months; the 3S from September 2024 still works. Whether the Actions Ring earned the upgrade or the 3S would have done is still an open question.”
Shape, ergonomics and features TBD
The negatives, the positives, and the things nobody mentions in the listing. Coming from the owner after a longer stretch of use.
On the desk
Alternatives
- Logitech MX Master 3S (previously owned, Sept 2024): same shape and MagSpeed wheel without the haptic ring; routinely US$75-90 on sale
- Logitech MX Vertical (researched): if wrist angle matters more than the thumb wheel
The verdict on the Logitech MX Master 4
Buy it if: Productivity users who live in Logi Options+ and want the most feature-rich horizontal mouse.
Skip it if: You are left-handed, prefer a vertical mouse, or already own a 3S and do not care about haptics.
Main drawback: Right-handed only
Would he buy it again? TBD The owner's answer is coming.
Check price on Amazon.ca Logitech Canada
Sources
Reviewed by T.R., Chief Growth Officer, Direct To Growth Co.. Evidence: Owned and used by the owner. Spec and price checks last run 2026-10-19. Corrections: tell us.