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

• Switch Type: 5-pin linear switch

• Actuation Force: 42 ± 5 gf

• Bottom-out Force: 48 ± 5 gf

• Pre-travel: 2.0 ± 0.3 mm

• Total Travel: 3.5 ± 0.3 mm

• Top Housing: PA12

• Stem: T3

• Bottom Housing: PA66

• Spring: 20mm single-stage KOS precision spring

• Lubing: Factory lubed

• Manufacturer: HMX

Smooth, muted, and responsive—this switch stands out for its acoustics and comfort, making it a versatile choice for custom keyboard builds.