HMX Sonja and HMX Snow Crash are two popular modern linear switches that both focus on tight tolerances and a “premium” feel. On paper they look similar (PA66 housing, POM stem, 22mm long spring), but in practice they aim for different experiences: Sonja is intentionally more textured/scratchy due to the top housing, while Snow Crash is known for a clean, stable rail bottom-out feel with a calmer bottom-out character.

1. Construction & Materials

  • HMX Sonja – Rail bottom-out linear with an intentionally textured top housing that adds a recognizable “scratch” sensation. Typically factory-lubed, which can vary by batch/vendor.
  • HMX Snow Crash – Rail bottom-out linear with a traditional PA66 housing and POM stem. Often described as “clean” and controlled, with low wobble and consistent keyfeel.

2. Technical Specifications

HMX Sonja

  • Type: Linear (rail bottom-out)
  • Actuation: ~45g (may vary by batch)
  • Bottom-out: ~52g (may vary by batch)
  • Pre-travel: ~2.0 mm
  • Total travel: ~3.9 mm
  • Materials: PA66 top & bottom, POM stem
  • Spring: ~22mm long (often listed as KOS-style)
  • Character: intentionally textured/scratchy top-housing feel

HMX Snow Crash

  • Type: Linear (rail bottom-out)
  • Actuation: ~50g (often listed ±2g)
  • Bottom-out: ~58g (often listed ±2g)
  • Pre-travel: ~2.0 mm
  • Total travel: ~4.0 mm
  • Materials: PA66 top & bottom, POM stem
  • Spring: ~22mm long (often listed as KOS-style)
  • Character: clean travel, stable feel, calmer bottom-out

3. Performance & Feel

HMX Sonja – Textured linear with personality

Sonja stands out for its intentional texture. That “scratch” is less about bad molding and more about a deliberate design choice that gives the switch extra character. If you enjoy a linear that doesn’t feel “sterile smooth,” Sonja can be surprisingly satisfying, especially for longer typing sessions.

HMX Snow Crash – Clean, stable, and calmer bottom-out

Snow Crash is the “clean” option: slightly heavier, full travel, and often described as more controlled at bottom-out. It tends to feel tight and stable with low wobble, making it a strong pick if you want a consistent, controlled linear.

4. What does the community say?

About Sonja

“The textured top is a feature: it adds feel without feeling cheap.”
“Not the smoothest linear, but one of the most interesting.”

About Snow Crash

“Very clean and tight, with a calmer bottom-out than expected.”
“Low wobble and consistent. Great daily-driver linear.”

5. Pros & Cons

HMX Sonja

Pros:

  • Unique textured feel: adds character to a linear switch
  • Lighter weight: comfortable for long sessions
  • Modern tolerances with a rail bottom-out concept

Cons:

  • Not for everyone: “ultra-smooth” fans may find it too textured
  • Specs/feel can vary a bit by batch and listing

HMX Snow Crash

Pros:

  • Clean, controlled linear with rail bottom-out
  • Full travel and slightly heavier: stable, grounded feel
  • Often praised for tight tolerances and low wobble

Cons:

  • Heavier than Sonja: less “light and airy”
  • If you want maximum clack, it may feel a bit too calm

6. Comparison Table

Switch Weight Travel Sound Feel Ideal for
HMX Sonja ~45g / ~52g ~3.9mm Neutral to controlled (board-dependent) Textured/scratchy “by design,” light and lively Typists who want character in a linear
HMX Snow Crash ~50g / ~58g ~4.0mm Calmer bottom-out, clean profile Tight, stable, clean travel Daily-driver linear: consistent and controlled

7. Which one should you choose?

  • Choose HMX Sonja if you want a light linear with extra “feel” and you’re curious about the intentionally textured sensation.
  • Choose HMX Snow Crash if you want a clean, stable linear with full travel and a calmer, controlled bottom-out.

Conclusion

HMX Sonja and HMX Snow Crash are both modern rail bottom-out linears, but with different goals. Sonja leans into personality (textured feel), while Snow Crash focuses on clean control (stable, calmer bottom-out). If you want something that feels distinct from the average ultra-smooth linear, go Sonja. If you want a tight, consistent workhorse with slightly more weight and full travel, Snow Crash is the safer pick.