Gazzew Boba U4T
- 45g actuation
- 62g bottom
- 3.6mm travel
- MX (Cherry-compatible)
Where to buy
Specifications
- Type
- Tactile
- Actuation force
- 45 gf
- Bottom-out force
- 62 gf
- Pre-travel
- 2 mm
- Total travel
- 3.6 mm
- Spring
- Korean stainless steel, 62g bottom-out (62g / 63.5g long / 68g variants)
- Pin count
- 5-pin
- LED slot
- Yes
- Operating life
- 80,000,000 cycles
- Factory lubed
- No
- Stem
- MX (Cherry-compatible)
Not sure about a term? Hover the dotted-underlined values for a quick definition, or read Switches 101.
Classic tactile "bump-then-clack" — the bump contact is audible on bottom-out.
We're collecting community-contributed sound tests. Meanwhile, Switches 101 explains how switch type, lube and housing material shape sound.
Full force-curve plots aren't ingested yet. Below is the pair we track on every switch — useful for a quick weight sanity check.
Looking for full graphs? Switches 101 → force curves explains how to read them and which weight range suits your typing style.
No community review summary has been published for this product yet.
We summarize reviews from Amazon, Reddit, ThereminGoat, Geekhack and YouTube once enough coverage is collected. In the meantime, our buying guides cover which specs to look for.
Compatibility
- Fits these sockets
Gateron Hotswap, Kailh Hotswap
Drop-in compatible hot-swap sockets.
- PCB requirement
5-pin PCB socket
Also fits 3-pin sockets after trimming the plastic legs.
- Keycap stem
MX (Cherry-compatible) stem
Works with any keycap set cut for this stem type.
Premium thocky tactile switch designed by Gazzew, manufactured by Outemu. 'U4T' = 'Ulti-Tactile' Thocky version — paired tactile bump with deep, full thock sound. MX stem, 5-pin PCB-mount housing (RGB slot, clear top + proprietary Black Boba plastic bottom). Long-pole stem with no post-bump travel. Available in 62g, 63.5g (long spring) and 68g bottom-out spring options; this listing reflects the 62g base variant. Compatible with standard MX hotswap PCBs (Gateron / Kailh / Mill-Max sockets). Sold un-lubed from the factory.
Side-by-side comparison
| Spec | |||||
|---|---|---|---|---|---|
| Type | Tactile | Linear | Linear | Linear | Linear |
| Bottom-out | 62 gf | 56 gf | 40 gf | 48 gf | — |
| Factory lubed | No | — | — | — | — |
| Score | — | — | — | — | — |
| From | $0.53 | — | — | — | — |
Need more detail? Open full comparison →
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