The Gateron Pro Milky Yellow (KS-3 X1) is one of Gateron’s smoothest linear switches, known for its buttery travel and bright RGB diffusion through its signature milky nylon housing. Featuring a 50 gf actuation force, 5-pin PCB mount design, and factory pre-lubrication, it provides a consistent, quiet, and satisfying experience for gaming or typing.
Linear (smooth, non-clicky)
| Brand | Gateron |
| Model | Pro Milky Yellow (KS-3 X1) |
| Switch Type | Linear |
| Operating Force | 50 ± 15 gf |
| Total Travel | 4.0 mm |
| Pre-travel | 2.0 ± 0.6 mm |
| Mount | PCB / 5-pin |
| Factory Lubrication | Pre-lubed |
| Stem Material | POM |
| Top Housing | Nylon PA66 (Milky) |
| Bottom Housing | Nylon PA66 (Milky) |
| Spring | Steel |
| Manufacturer | Gateron |
Quiet and smooth — no tactile bump or audible click.
Ideal for users who prefer a silky, consistent linear feel with bright RGB diffusion and low noise. A dependable choice for gaming, typing, and long sessions where smoothness matters.
Compatible with most MX-style keycap stems (cross mount). Designed for PCB-mounted keyboards using 5-pin support or modified for plate-mount layouts if needed.