The Hibiscus Switch R3 is a third-generation linear switch developed through a collaboration between SOULCAT, Korean brand SPM, and HMX. Engineered for a balanced and satisfying typing experience, this switch delivers a smooth press with a quiet, mid-low frequency sound profile. Its muted bottom-out and 42g actuation force make it ideal for users seeking a refined and subtle keystroke, whether for high-fidelity setups or voice-sensitive environments.
🔧 Specifications
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Switch Type: 5-pin linear switch
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Actuation Force: 42 ± 5 gf
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Bottom-out Force: 48 ± 5 gf
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Pre-travel: 2.0 ± 0.3 mm
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Total Travel: 3.5 ± 0.3 mm
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Top Housing: PA12
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Stem: T3
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Bottom Housing: PA66
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Spring: 20mm single-stage KOS precision spring
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Lubing: Factory lubed
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Manufacturer: HMX
Smooth, muted, and responsive—this switch stands out for its acoustics and comfort, making it a versatile choice for custom keyboard builds.