Gazzew Boba U4TX

Tactile Gazzew, made by Outemu

Gazzew Boba U4TX switch
Gazzew product image

The Gazzew Boba U4TX is a hybrid of the U4T and U4: a thocky audible bottom-out with silenced top-out rails, so only the downstroke makes sound.

Gazzew Boba U4TX specs

Type Tactile
Actuation force n/a
Bottom-out force 65g
Pre-travel n/a
Total travel 3.6 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 thocky bottom-out, silent upstroke
Released 2022

Spec fields marked n/a are unpublished by the maker; we list only verifiable numbers rather than guesses.

Unverified: specs compiled from manufacturer listings

Switches similar to the Gazzew Boba U4TX

Gazzew Boba U4T Tactile The Gazzew Boba U4T is the benchmark thocky tactile, pairing a big D-shaped bump with soft proprietary housings for a deep bottom-out; also sold in a 68g weighting. Compare: Gazzew Boba U4TX vs Gazzew Boba U4T
Gazzew Boba U4 Silent tactile 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. Compare: Gazzew Boba U4TX vs Gazzew Boba U4

Which keyboards can use it?

Any hot-swap board with standard MX sockets accepts the Gazzew Boba U4TX (5-pin: check that your plate or PCB supports 5-pin, or clip the legs). Use the full keyboard database to shortlist hot-swap boards that fit your budget and size, or browse the keyboard database.

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