So you've been down the mechanical keyboard rabbit hole for a while. You've got a board you like, maybe you've started noticing how different switches feel, and now you keep seeing the phrase "hot swappable" everywhere. What does it actually mean — and is it worth caring about?
Short answer: yes, absolutely. Here's everything you need to know.
What Does Hot Swappable Actually Mean?
A hot swappable keyboard has a PCB (the circuit board inside the keyboard) with switch sockets built in. Instead of your switches being soldered permanently in place, they simply clip into those sockets. You can pull them out and push new ones in — no soldering iron, no desoldering wick, no fuss.
The name comes from computing: "hot swapping" originally referred to replacing a hardware component without shutting the system down. In keyboard terms it means you can swap your switches without any tools and without damaging the board.

Why Does It Matter if You're Already Into Keyboards?
If you're still on your first or second board, you might be thinking: I already like my switches, why would I need to change them?
Here's why hot swap changes the game:
You can experiment freely. Switches are a deeply personal thing. Linears, tactiles, clicky, silent, heavy, light — there are hundreds of options. With a soldered board you're committing to one switch forever. With a hot swap board you can try a new switch type for $10–20 worth of switches rather than buying an entirely new keyboard.
You can fix a dead switch in seconds. On a soldered board, one dead switch is a real problem. On a hot swap board, you just pull the faulty switch out and push in a replacement. The whole process takes about 30 seconds.
Your board evolves with your preferences. Most keyboard enthusiasts will tell you their ideal switch today is different from what it was 12 months ago. Hot swap means your board can keep up with where your tastes go.
You protect your investment. A quality keyboard frame and case can last years. Hot swap means the switches — which do wear out eventually — are no longer the limiting factor on how long you keep a board.
3-Pin vs 5-Pin — What's the Difference?
When you're looking at hot swappable keyboards, you'll see them listed as supporting either 3-pin or 5-pin switches (also written as MX-style 3-pin or PCB-mount 5-pin).
- 3-pin switches have one centre pin and two side legs. These are the most common type.
- 5-pin switches have one centre pin, two side legs, and two additional plastic alignment pins. These fit more precisely and can reduce wobble.
Most hot swap keyboards support both — you can snap off the extra two plastic pins on a 5-pin switch to use it in a 3-pin socket, though most enthusiasts prefer a board that natively supports 5-pin.
What About Optical vs Mechanical Hot Swap?
There are two types of hot swappable sockets:
Mechanical hot swap (like Kailh sockets) works with standard MX-style switches — the vast majority of switches on the market. This is what most hot swap boards use.
Optical hot swap uses light-based actuation instead of physical contact. The Skyloong GK61 in our range uses Gateron Optical switches with hot swap support. Optical switches are extremely fast and don't wear out the same way mechanical contacts do, but your switch options are more limited since you can only use optical-compatible switches.
If you want the widest possible switch compatibility, go mechanical hot swap. If raw speed and switch longevity are your priority, optical is worth considering.
Full-Key vs Partial Hot Swap
Some keyboards are only partially hot swappable — maybe just the alpha keys, or excluding the function row. These are rare now but worth checking.
Full-key hot swap means every single socket on the board is swappable, including modifiers, function keys and spacebar. All the keyboards we stock with hot swap support are full-key, so you can swap any switch on the board.
Hot Swappable Keyboards Available at CozyDev
Here are some of the hot swappable boards in our range to give you an idea of what's available across different layouts and budgets:
AULA F99 Tri-Mode Hot Swappable RGB Mechanical Gaming Keyboard — A 96% layout that keeps the numpad while saving desk space. Gasket mounted, five-layer sound dampening, 8000mAh battery, and tri-mode wireless. A strong all-rounder if you want a larger board without going full-size.
8BitDo Retro Hot Swappable Mechanical Gaming Keyboard — An 87-key TKL with a retro aesthetic, Kailh Box Switch V2, dye-sub PBT keycaps and top-mount structure. Tri-mode wireless and genuinely one of the most distinctive-looking boards available.
Lofree Flow84 Low-Profile Hot-Swappable Wireless Mechanical Keyboard — If you want slim and sleek, this is it. Aluminium alloy build, gasket mounted, ultra-low-profile Kailh POM switches and hot swap support. Ideal for a clean, minimal desk setup.
Skyloong GK61 SK61 60% Wired Mechanical Hot Swappable Gaming Keyboard — A compact 60% with optical hot swap, NKRO, and 16.8 million RGB backlight options. A great entry point if you want maximum desk space freed up.
TM680 RGB Hot-Swappable Mechanical Keyboard Barebone — A barebone option for those who want to bring their own switches and keycaps. 60% layout, tri-mode wireless, RGB side lighting and 4.8° ergonomic tilt.
Browse the full range at CozyDev's hot swappable keyboard collection →
Do I Need Anything Else to Get Started?
If you're buying a complete keyboard (not a barebone), it'll come with switches already installed. To start swapping, you just need:
- A switch puller — a small tool that clips around the switch and lets you pull it out cleanly without bending the pins. Often included with hot swap keyboards; cheap to buy if not.
- Replacement switches — buy a tester pack first if you're exploring. 10-switch testers are a great way to find what you like before committing to a full set of 70+ switches.
That's genuinely it. No soldering kit, no heat gun, nothing technical.
Is a Hot Swappable Keyboard Right for You?
If you're already comfortable with what mechanical keyboards are and you're thinking about your next board, the answer is almost always yes. The flexibility is worth it — you pay the same price as a comparable non-hot-swap board, and you get a keyboard that can adapt to wherever your preferences go.
The only reason to skip hot swap is if you've found your perfect switch and you're buying a speciality or custom board where hot swap isn't available. Otherwise, given the choice, take it.
Looking for your next board? Browse our full range of mechanical keyboards available in Australia — all with fast shipping from Sydney and free delivery on orders over $65.