Kailh Pro Heavy Sage
vsMoyu Fuyu
Hear them
Side by side
| Kailh Pro Heavy Sage | Moyu Fuyu | |
| Type | Linear | Linear |
| Sound | Recorded | Thocky |
| Loudness | -50.2 dB | -21.5 dB |
| Pitch | 3,187 Hz | 2,803 Hz |
| Spring weight | 67.3 g | 67.4 g |
| Actuation force | 41.1 g | 43.6 g |
| Bottom-out force | 82.2 g | 87.5 g |
| Total travel | 3.9 mm | 3.8 mm |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out values.
Which should you pick?
The Kailh Pro Heavy Sage and Moyu Fuyu are both linear switches, but they feel and sound different enough to be worth comparing directly.
Moyu Fuyu runs the heavier spring at 67.4g versus 67.3g — about 0.10000000000000853g more — so it feels more deliberate under the finger, while Kailh Pro Heavy Sage is quicker and lighter to press.
On sound, Moyu Fuyu is the louder of the two at -21.5dB versus -50.2dB (28.700000000000003dB quieter), pitched lower at roughly 2,803Hz. It reads as thocky, while Kailh Pro Heavy Sage comes across more recorded.
Pick Kailh Pro Heavy Sage if you want a lighter, faster press and a quieter typing sound. Pick Moyu Fuyu if you'd rather have a heavier, more controlled press and a louder, more present sound. Use the players above to hear which one you actually prefer.
Full pages
Hear the difference for real
Load either switch into the live simulator and A/B them with your plate, case and keycaps.
Open the simulator →