Head to head

Das Keyboard 4 Professional vs Logitech MX Keys S

Both scored on the same six factors, priced on what you actually pay including delivery, and each claim linked to the source it came from. Prototype data — prices and retailer stock are a fixed demo snapshot from 28 July 2026, not a live feed.

Verdict

The Logitech MX Keys S wins on both score and price.

Across these 2 keyboards, the Logitech MX Keys S has both the highest Worth Score (7.7) and the best score per euro at 119,00 €. That is unusual — normally you trade one for the other. Its weak point is scissor switches wear out in ~4 years.

Best overallLogitech MX Keys S — Highest Worth Score here at 7.7, 0.9 ahead of the Das Keyboard 4 Professional. Best for quiet shared offices.

Skip this oneDas Keyboard 4 Professional — Lowest Worth Score here at 6.8, 0.9 lower against the Logitech MX Keys S and no cheaper. Costs more than modern boards that do more

Side by side

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The value of a comparison is the differences.

Comparison of Das Keyboard 4 Professional, Logitech MX Keys S
What matters	Das Keyboard 4 ProfessionalDas KeyboardMedium confidence	Logitech MX Keys SLogitechMedium confidence
Worth Score	6.8	7.7 (best in this comparison)
Best price	169,00 €	119,00 € (best in this comparison)
Price fairness	5.2	8.4 (best in this comparison)
Performance	7.0	8.2 (best in this comparison)
Longevity	8.6 (best in this comparison)	8.0
Repairability	3.4 (best in this comparison)	3.2
Support & warranty	6.6	8.4 (best in this comparison)
Switches	Cherry MX Blue or Brown, soldered	Scissor, low profile
Connection	USB-A, wired, 2-port hub	Bluetooth, Logi Bolt USB
Build	Glossy ABS with aluminium top panel	Aluminium top plate, plastic base
Best for	Long typing sessions on Cherry switches · A proper volume wheel · A keyboard that outlives three computers	Quiet shared offices · Switching between three machines · Typing comfort without noise
Avoid if	You are comparing on price · You want backlighting or wireless	You want mechanical switches · You want to replace the battery yourself
Main drawback	Costs more than modern boards that do more	Scissor switches wear out in ~4 years

4 identical rows hidden. They are the same for every product here, so they cannot help you choose.

What each score is based on

3 published sources between them

Das Keyboard 4 Professional

Das Keyboard 4 Professional ReviewRTINGS · informs build quality, performance

Logitech MX Keys S

Logitech MX Keys S Keyboard ReviewRTINGS · informs performance, build quality
Logitech MX Keys S ReviewTechGearLab · informs build quality, longevity

Confidence is computed from those lists, not asserted: Das Keyboard 4 Professional is medium on 1, Logitech MX Keys S is medium on 2. A factor with nothing behind it says so on the product page rather than borrowing a citation that does not speak to it.

Also compare

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Prototype. Prototype data — prices and retailer stock are a fixed demo snapshot from 28 July 2026, not a live feed. Prices are the cheapest delivered price we recorded — 169,00 € and 119,00 € — not a live quote. How we score products.