Kailh Box Summer
vsVertex V One
Hear them
Side by side
| Kailh Box Summer | Vertex V One | |
| Type | Linear | Linear |
| Sound | Recorded | Thocky |
| Loudness | -58.7 dB | -54.1 dB |
| Pitch | 2,110 Hz | 1,872 Hz |
| Spring weight | 56.8 g | 57.1 g |
| Actuation force | 39.6 g | 37.2 g |
| Bottom-out force | 70 g | 68.9 g |
| Total travel | 4 mm | 4.1 mm |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out values.
Which should you pick?
The Kailh Box Summer and Vertex V One are both linear switches, but they feel and sound different enough to be worth comparing directly.
Vertex V One runs the heavier spring at 57.1g versus 56.8g — about 0.30000000000000426g more — so it feels more deliberate under the finger, while Kailh Box Summer is quicker and lighter to press.
On sound, Vertex V One is the louder of the two at -54.1dB versus -58.7dB (4.600000000000001dB quieter), pitched lower at roughly 1,872Hz. It reads as thocky, while Kailh Box Summer comes across more recorded.
Pick Kailh Box Summer if you want a lighter, faster press and a quieter typing sound. Pick Vertex V One 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 →