Low-Profile Mechanical Keyboards Are Getting Really Good

Low-Profile Mechanical Keyboards Are Getting Really Good

Traditionally, flat keyboards are never as satisfying to type on as full-profile mechanical models with nice, chunky keycaps. But low-profile mechanical switches, like the Cherry MX models used in Cooler Master’s new line of slight keyboards, are shortening the gap.

I’ve spent the past couple of months typing on each of Cooler Master’s three new low-profile keyboards: the full-size SK650, the tenkeyless (lacking a number pad) SK630, and the company’s most recent release, the tiny SK621.

To be honest, the low-profile mechanical switches weren’t what originally attracted me to the series. I was intrigued by the SK621, one of the first 60 per cent keyboards I’ve seen released by a major gaming hardware manufacturer.

A 60 per cent board strips away the number pad and tucks the top function keys away as sub-functions of the number row at the top. Some 60 per cent layouts do away with arrow keys entirely. The SK621 integrates them into the bottom right. It’s a lovely, compact layout, economical without making gaming tricky.

It’s also Bluetooth, making it a perfect travel keyboard.

What I was expecting from any of the three Cooler Master models was for typing to feel so nice. Each one features the relatively new MX Low Profile Red switches from Germany’s Cherry, the most well-known brand in mechanical keyboard switches. Cherry’s normal MX Red switches are arguably the most popular mechanical keyboard switches in the world.

Like its taller cousin, the MX Low Profile Red switches are linear, meaning there is no mechanical click or bump when they are pressed, just the clack of the switch bottoming out. Both require the same amount of force to actuate, so they feel similar when depressed.

The major difference between the two is the amount of pre-travel, which is how far the switch is pressed before it activates, and total travel, which is the distance a switch travels when fully pressed. For normal MX Red switches, pre-travel is 2.0 mm and total travel is 4.0 mm. For the MX Low Profile Red switches, it’s 1.2 mm and 3.0 mm.

That’s not a huge difference. Where the Cooler Master keyboard is outfitted with higher-profile keycaps, many would be hard-pressed (hahahaha) to tell them apart.

Instead, Cooler Master dressed its low-profile keyboards with these weird little flat keycaps. I like the feel of them, though the material has gotten too friendly with the oil in my skin and developed a bit of shine.

As for typing on the Cooler Master models, the SK621 in particular, seldom has using something so flat felt so good. The bottoming-out sound is nice; the linear action is smooth. YouTube user Goatube posted a video of typing on the SK630 that gives a pretty good idea of what the action is like across all three boards.

I’ve only been more satisfied with one other low-profile mechanical keyboard, the Hexgears X-1 from the Kono Store. I am not a huge fan of linear switches since I prefer the thunk of tactile models or the crispness of clicky switches.

I have a Hexgears X-1 with clicky Kaihua Choc white switches, and it will always be my first low-profile love.

I’m not saying low-profile mechanical keyboards are going to displace bigger, bulkier numbers any time soon. I will always go back to my large metal monsters in a pinch.

But if I am heading to a convention, a show, or a coffee shop and need something more than a basic laptop keyboard, something slim and sleek like Cooler Master’s SK621 has a good chance of making it into my backpack.

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