Gazzew Boba U4
- 50g actuation
- 62g bottom
- 3.5mm travel
- Factory lubed
Where to buy
Specifications
- Type
- Silent Tactile
- Actuation force
- 50 gf
- Bottom-out force
- 62 gf
- Pre-travel
- 0.3 mm
- Total travel
- 3.5 mm
- Spring
- stainless steel (Korean)
- Pin count
- 5-pin
- LED slot
- Yes
- Factory lubed
- Yes
- Stem
- MX (Cherry-compatible)
Not sure about a term? Hover the dotted-underlined values for a quick definition, or read Switches 101.
Silent bump — bump feel preserved, but rubber dampeners mute the top/bottom impact. A balance between feedback and noise.
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.
MX-compatible 5-pin PCB-mount housing. Hotswap-compatible with Gateron/Kailh sockets. Available in spring weights 62g, 65g, 68g and two top variants (color-matched Boba top or RGB-friendly clear top with LED slot).
Side-by-side comparison
| Spec | |||||
|---|---|---|---|---|---|
| Type | Silent Tactile | Linear | Linear | Linear | Linear |
| Bottom-out | 62 gf | 56 gf | 40 gf | 48 gf | — |
| Factory lubed | Yes | — | — | — | — |
| Score | — | — | — | — | — |
| From | $0.99 | — | — | — | — |
Need more detail? Open full comparison →
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