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Manufacturer Gateron
Family Gateron KS-3 series
Product name Zealio
Introduced August 2015
Switch type Tactile; linear
Sense method Metal leaf
Rated lifetime 50 M
Keycap mount Cherry MX
Switch mount Plate and PCB mount
Website goo.gl/P5NVqt

The Zealio switch series are boutique key switches distributed solely by Zeal PC. They are clones of Cherry MX switches produced by Gateron. It includes tactile variants akin to Cherry MX Ergo Clear.


The switches are manufactured exclusively for Zeal PC by Gateron, based on their KS-3 series. Unlike Gateron's regular switches, switches have been available with fully transparent housings and the springs are gold-plated. The transparency is supposed to help with backlighting and the gold-plating makes the springs resistant to corrosion which supposedly reduces friction when the keys are pressed.

Purple Zealio

The tactile variant's purple stem is less tight on keycaps than the Cherry MX Clear. The feel is reported to be smoother - even smoother than lubricated Ergo Clears. [1]

The top housing still carries the Gateron logo. The bottom mould and the tacile purple slider were custom made for Zeal PC.

There have been reports of the clear bottom melting more easily from the heat of a soldering iron than other switches. Zeal PC therefore now offers the purple switch also in a 65g variant with a milky bottom like regular Gaterons.


Name Stem colour Type Bottom-out weight Bottom Mount Cherry equivalent
Purple Zealio Purple Tactile 62 g Transparent PCB mount Cherry MX Ergo Clear
65 g
65 g Translucent white Plate mount
67 g Transparent PCB mount
78 g
Clear Zealio Translucent white Linear 62 g Cherry MX RGB Nature White
65 g
67 g

Purple Zealios modified with heavier springs for use in the space bar or enter positions are called Deep Purples.

From group buy round 4 onwards, the stem wobble is supposed to have been reduced. [2]


Switches have become available in batches for pre-order. The first group-order run was started in August 2015[3]. It is now (as of Feb 2017) on its sixth run (Round 5)[4].

There have been four rounds of Zealios, with the switches currently being in round 4.5.


  1. Keychatter.com: REVIEW: Project Zealio switches Posted on 2015-08-19. Retrieved 2015-08-20.
  2. Geekhack: R4.5 Zealios/Zealencios/Zstabs quick & short GB. Dated 2016-12-31. Retrieved 2016-12-31.
  3. Geekhack – GB: PURPLE/CLEAR ZEALIO SWITCHES (Complete). Dated 2015-08-25. Retrieved 2016-11-08
  4. Geekhack – R4.5 Zealio Switch/Zeal60RGB/Zealencio Silencing Clips/Transparent Screw-in Stabs!. Dated 2016-08-23. Retrieved 2016-11-08