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2021-06-29 21:04:32 Edit this switch on GitHub

Gazzew Boba U4T

Manufacturer: Outemu
Brand: Gazzew

The U4T Boba switch is a medium tactile switch with a D-bump with no pretravel on the downstroke, a solid bottom-out, and a nice pop on the upstroke. The stroke all the way through is smooth, thanks to the housing and stem material composition, and has a thocky bottom-out that has become very sought after. Gazzew has also gone to the effort of designing a new leaf to not only be linear and tactile friendly, but also to reduce leaf ping. The use of high-quality Korean stainless steel springs helps prevent spring ping as well.

U4 is short for Euphoria.

The "T" in U4T stands for "extra Thocccc".

There are 5 variations of this switch:

62g
g
62g
mm
mm
POM
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
68g
g
68g
mm
mm
POM
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
62g Clear
g
62g
mm
mm
POM
Coloured (opaque)
Custom (Custom Plastic Mix)
Transparent
Custom (Custom Plastic Mix)
Coloured (opaque)
3DKeebs x Gazzew Boba Black U4T 62g
g
62g
mm
mm
POM
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
3DKeebs x Gazzew Boba Black U4T 68g
g
68g
mm
mm
POM
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
Custom (Custom Plastic Mix)
Coloured (opaque)
PLA75 With Stock Boba U4T Sound Test by Vincemark Lim
Mode Eighty with Gazzew Boba U4T "Boba Thocks" | GMK 8008 by Shoobs
Boba U4T Review | Tactile Switch Comparison by Shoobs
Gazzew Boba U4T Thocky Review | Sound Test With ai03 Vega by Nextrift
Tactile
Switch Type icon
Tactile switches have a satisfying tactile "bump" when the switch is activated, providing a little resistance at the start of the press.

Mount type

PCB
5-pin
Switch Mount icon

Spring

Standard (stainless steel)

Volume

Switch Volume icon
normal
Standard switch with no dampers, can be further silenced with lubrication or O-rings.
Notes

Fairly loud switch with an emphasis on the "Thock".

Lubrication info

Factory lubed icon
Factory lubed? Slight factory lube
Notes

Donut-dipped springs, light lube on leaf

Looking for switch lubrication advice? Here's a great start

Switch film

Switch Film icon
The benefits of using switch films on these are negligible. Considered not worth using.
Why use switch film? Here's a good explanation and a great demonstration.

More info on films and Thicc films by Jinra.

Stem construction

Stem icon
Standard
The stem on this switch is of the standard variety.

ThereminGoat switch score

Gazzew Boba U4T
32
/35
Push Feel
23
/25
Wobble
8
/10
Sound
15
/20
Context
8
/10
Other
86
/100
Total
View full score card on GitHub

Want to try this switch out for yourself?

Buy a single Gazzew Boba U4T sample switch
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