Mechanical keyboard switches explained

Updated October 2026 · TapTest guides

The switch is the single component that decides how a mechanical keyboard feels and sounds. It is the little mechanism under each keycap that registers your press, and swapping switch type is the difference between a keyboard that clacks sharply, one that thocks softly, and one that glides with no bump at all. If you are choosing your first mechanical board or thinking about changing switches, this is the part worth understanding before anything else.

The three families

Every mechanical switch falls into one of three broad types, and this is the most important decision you will make.

Linear switches move straight down with no bump and no click. The press is smooth from top to bottom. They are quiet, they feel consistent, and they are the usual favourite for fast gaming because there is nothing physical to overcome mid-press. Red switches are the classic example.
Tactile switches have a small bump partway down that you can feel as the key actuates. That bump tells your finger the press has registered without you needing to bottom out the key. Many typists prefer tactile switches because the feedback makes it easier to type lightly and accurately. Brown switches are the common example.
Clicky switches add an audible click to that tactile bump. They are satisfying and unmistakable, and they are also the loudest option by a wide margin, which makes them a poor choice for a shared office or a quiet room. Blue switches are the classic clicky switch.

The numbers that describe a switch

Once you know the family, a few measurements describe the finer feel:

Actuation force, measured in grams, is how hard you have to press before the key registers. Lighter switches around 45 grams feel effortless and fast, while heavier switches around 60 to 70 grams resist more and can reduce accidental presses. Neither is better; it depends on your hands and habits.
Actuation point is how far down the key has to travel before it registers, usually around 2 millimetres on a standard switch. Some gaming-focused switches shorten this to register sooner.
Total travel is how far the key moves before it bottoms out, commonly around 4 millimetres. Low-profile switches cut this down for a shallower, laptop-like feel.

Popular switches and what they feel like

Switch colours are not standardised across every brand, but some patterns hold. Reds and blacks are linear, with blacks being heavier. Browns and clears are tactile, clears being heavier. Blues and greens are clicky. Beyond the old colour code, the enthusiast market has exploded with switches tuned for smoothness and sound, often named after fruits, creameries and places rather than colours. The marketing can be overwhelming, but it still comes back to the same three families and the same handful of numbers, so you can cut through most of it by asking "linear, tactile or clicky, and how heavy".

Hot-swap: trying switches without soldering

Traditionally the switches were soldered to the circuit board, so changing them meant melting solder on every key. Hot-swap keyboards changed that. They use little sockets that grip each switch, so you can pull a switch out with a cheap tool and push a new one in by hand, no soldering required. If you are not sure which switch you will love, a hot-swap board is the single best feature to look for, because it lets you buy a small set of different switches, try them, and keep the ones you like.

Sound, lube and stabilisers

Switch type sets the basic sound, but two other things shape it. Lubing, which means applying a thin grease to the moving parts, smooths out scratchiness and deepens the sound, and it is a popular weekend project for enthusiasts even though it is fiddly. Stabilisers are the supports under the longer keys like the space bar, Enter and Shift, and poorly tuned stabilisers cause the rattle that makes an otherwise nice keyboard sound cheap. If a board sounds hollow or pingy, the case material and the foam inside it are usually the cause rather than the switches.

How to choose

Start with the family. If you game and want speed and quiet, lean linear. If you type all day and like feedback, lean tactile. If you love the sound and control your own space, clicky is a joy. Then pick a weight: light if you have a soft touch or type fast, heavier if you tend to bottom out hard or trigger keys by accident. If you genuinely cannot decide, buy a switch tester, which is a small board holding a handful of different switches so you can press them side by side, or buy a hot-swap keyboard and experiment at your own pace.

Testing switches you already own

Whatever switches you have, it is worth confirming that each one registers cleanly and consistently. Open the keyboard tester and press every key, watching for any switch that needs a harder press than its neighbours or that occasionally fails to register, which is an early sign a switch is wearing out or has dirt inside. On a hot-swap board, a single failing switch is a five-minute fix: pull it and drop in a spare. For a deeper clean, see our guide on cleaning a mechanical keyboard.

Common questions

Which switch is best for gaming? Linear switches are the usual pick because the smooth, bump-free press feels fast and consistent, but plenty of competitive players use tactile switches happily. Feel matters more than the label.

Are clicky switches too loud for an office? Usually yes. If you share a room, a tactile or linear switch is the considerate choice, and silent linear switches with built-in dampening go further still.

Can I change switches on any mechanical keyboard? Only easily on a hot-swap board. On a soldered board it is possible but requires desoldering and resoldering every switch you want to change.

Do heavier switches prevent typos? They can reduce accidental key presses because you have to mean it, but they also tire your hands faster. It is a personal trade-off rather than a rule.