Gazzew Boba U4 (Silent, 62g)
Silent version of the Boba line, sold in 62g and 68g bottom-out springs. The dampeners slightly soften the bump and shorten usable travel.
Actuation force
55 gf
Bottom-out force
62 gf
Pre-travel
1.9 mm
Total travel
3.5 mm
| Type | Silent Tactile |
| Brand | Gazzew |
| Mount | 5-pin |
| Factory lubed | Light |
| Stem | POM with silencing pads |
| Top housing | Proprietary (Gazzew Boba plastic) |
| Bottom housing | Proprietary (Gazzew nylon blend) |
| Spring | Gold-plated |
| Sound | Very quiet, muted thock; among the best-dampened silent tactiles. |
| Price tier | $$$ |
Some specs for this switch are community estimates rather than official numbers and can vary by batch. Treat force/travel as approximate.
Building with the Gazzew Boba U4 (Silent, 62g)?
I hand-build small-batch programmable macropads (QMK/VIA) in Barcelona, and repair keyboard PCBs. Pick your switch, pick your layout with the Shortcut Library, and stop reaching for chords.
Gazzew Boba U4 (Silent, 62g) FAQs
Is the Gazzew Boba U4 (Silent, 62g) linear, tactile or clicky?
The Gazzew Boba U4 (Silent, 62g) is a silent tactile switch. Same big U-series tactile bump as the U4T but with soft rubber-dampened top and bottom, so there is no hard bottom-out.
How heavy is the Gazzew Boba U4 (Silent, 62g)?
It actuates at about 55 grams-force and bottoms out around 62 gf.
Is the Gazzew Boba U4 (Silent, 62g) good for gaming or typing?
People who want a strong tactile bump in a near-silent switch for shared spaces.