Gateron KS-3X1 Milky Yellow Pro Tactile Heavy Switches – Pronounced 60gf Bump, Dual-Stage Spring, Milky RGB Housing | 5-Pin, Pack of 10

The Gateron KS-3X1 Milky Yellow Pro Tactile Heavy is the heavier tactile variant in Gateron's upgraded KS-3X1 Milky Pro series — a switch for typists who find standard tactiles too subtle and want a clearly defined, high-resistance bump that communicates each keystroke with real authority. At 60gf actuation across a compact 3.4mm total travel, it delivers tactile feedback that's felt rather than merely sensed, without the audible click that would make it unsuitable for quiet or shared environments.

The KS-3X1 series builds on the well-established KS-3 Milky Pro lineage with structural refinements aimed at tighter tolerances and the dual-stage custom spring that sets it apart from its predecessor. The dual-stage spring gives a two-phase force curve through the tactile event — lighter initial resistance before the bump, then a sharper force increase through and after it — which reinforces the definition of the tactile point and builds the heavier, more deliberate character that distinguishes this variant. Combined with the 2mm pre-travel and 3.4mm total travel, the stroke is shorter than a standard 4mm tactile while the bump itself is more prominent — a combination that suits heavy typists who prefer to feel the tactile event clearly on every press.

The milky nylon housing (top and bottom) is the same diffuser material that made the original Milky Pro a popular choice for RGB builds: the translucent white plastic scatters LED output evenly across the keycap for a soft, uniform glow without the hotspots and legend glare that fully transparent or opaque housings introduce. The POM stem adds a naturally low-friction surface that smooths the keystroke through and after the bump, and Gateron's factory lubrication covers the key contact zones to reduce friction noise and spring ping from the start. Reinforced internal alignment keeps stem wobble controlled across the stroke, and the 60-million-click rated life supports reliable long-term daily use.

The KS-3X1 Heavy Tactile is for users who've typed through lighter tactiles and found them underwhelming — a switch that earns its "heavy" classification and gives each keystroke a weight and presence that lighter options can't replicate.