Gazzew Boba U4
Silent tactile Gazzew, made by Outemu
The Gazzew Boba U4 is widely considered the best silent tactile available, keeping the U4T's strong bump while damping both downstroke and upstroke to near silence; also sold in 68g.
Gazzew Boba U4 specs
| Type | Silent tactile |
|---|---|
| Actuation force | n/a |
| Bottom-out force | 62g |
| Pre-travel | n/a |
| Total travel | 4 mm |
| Stem | POM |
| Top housing | proprietary boba blend |
| Bottom housing | proprietary boba blend |
| Spring | n/a |
| Factory lube | light |
| Pins | 5-pin |
| Typical price | $0.65 / switch |
| Sound profile | near-silent, muted |
| Released | 2020 |
Spec fields marked n/a are unpublished by the maker; we list only verifiable numbers rather than guesses.
Switches similar to the Gazzew Boba U4
Outemu Cream Yellow Silent tactile The Outemu Cream Yellow is a budget silent tactile with rubber-dampened rails that keeps a clear bump while staying office-quiet, a cheap Boba U4 alternative. Akko Penguin Silent Silent tactile The Akko Penguin Silent is a budget silent tactile with a snappy 58g P-shaped bump near the top, often compared to a quieter, cheaper Boba U4.
Which keyboards can use it?
Any hot-swap board with standard MX sockets accepts the Gazzew Boba U4 (5-pin: check that your plate or PCB supports 5-pin, or clip the legs). Use KeebScout to shortlist hot-swap boards that fit your budget and size, or browse the keyboard database.