HMX Blue Topaz Switch - InputGear DE
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HMX Blue Topaz Switch

$1.00
Including VAT • 2-year InputGear warranty - Due to the bank holidays in Bavaria and an uncertain collection time on January 5th, we will resume shipping on January 7th, 2026.
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More about our guarantee

The HMX Blue Topaz is a high-quality linear keyboard switch distinguished by its precise manufacturing and exceptionally well-tuned acoustics. The housing utilizes a specially designed top housing to reduce top-out sound and a bottom housing made from a novel nylon blend (P4) for quieter bottom-out. This results in a clean, slightly clacky profile that many enthusiasts appreciate. Factory lubrication further ensures a remarkably consistent typing feel.

Technical specifications

  • Type: Linear (no tactile feedback, no click)

  • Operating force: approx. 40 gf

  • Bottom-out force: approx. 48 gf

  • Pre-travel (trigger travel): approx. 2.0 mm

  • Total travel: approx. 3.8 - 3.9 mm

  • Connector: 5-pin (PCB mounting, MX compatible)

  • Stem material: LY (Lycra-like)

  • Top housing: Polycarbonate (PC) with a special shape for noise reduction.

  • Bottom housing: Nylon mix (P4) with less fiberglass and more PTFE for a more dampened feel.

  • Spring: 22 mm single-stage (according to manufacturer's specifications)

  • Factory lubrication: Yes

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