Topre 45g ~$15.00 equivalent / 10

Topre switches occupy a unique category that defies simple classification. They are not purely mechanical — there is no physical contact between switch components to register a keypress. Instead, a conical spring under a rubber dome compresses as you press down, changing the capacitance detected by the PCB. When the capacitance change crosses a threshold, the keypress registers. This electrocapacitive mechanism produces a feel and sound unlike any traditional switch.

The 45g Topre is the standard weight option found in most Realforce and HHKB keyboards. The feel is smooth from the first millimeter of travel, with a gentle, rising force curve as the dome compresses. There is no discrete "click" or "bump" in the mechanical switch sense — instead, the tactile feedback is a smooth, continuous resistance that collapses when the dome buckles. This buckling event gives Topre its distinctive "clack" without a separate mechanism.

Sound is the most discussed aspect of Topre. The hollow thock — sometimes described as a "thwock" — is produced by the dome collapsing and the stem traveling through the housing. With stock dampening, it is a relatively quiet sound with a deep, hollow resonance. Modded with silencing rings (o-rings specifically designed for Topre), the sound dampens significantly. The Realforce Type-S variant ships with dampeners from the factory.

Topre switches are not user-serviceable in the same way as MX-style switches. The domes are part of the keyboard sheet rather than individual switch components. Modding options include swapping dome sheets for different weight distributions (35g, 45g, 55g, variable), adding silence rings, and the legendary "BKE Redux" dome swap that creates a more pronounced tactile event. These mods require keyboard-level disassembly.

Who should buy a Topre keyboard? Serious typists who value feel over everything else, who have tried the best mechanical switches and still want to explore what else exists, or who work for hours daily and want the smoothest possible keystroke. The entry cost is high — Realforce keyboards start around $200 — but the ownership experience is genuinely different from anything in the mechanical switch world.