Gazzew Boba U4

Silent tactile Gazzew, made by Outemu

Gazzew Boba U4 switch
Gazzew product image

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Spec fields marked n/a are unpublished by the maker; we list only verifiable numbers rather than guesses.

Unverified: specs compiled from manufacturer listings

Where to buy

KeebScout is reader-supported: some links may earn a commission at no extra cost to you, which keeps the database free. It never changes specs or rankings.

Switches similar to the Gazzew Boba U4

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. Compare: Gazzew Boba U4 vs Akko Penguin Silent · popular
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. Compare: Gazzew Boba U4 vs Outemu Cream Yellow

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.

Esc