Back at CES 2019, Cooler Master unveiled three new and interesting wireless mechanical keyboards that would be launching later this year. Now the company is finally starting things off with the launch of the first of these keyboards, the SK621, an ultra-compact 60% sized keyboard based around Cherry MX low profile switches. And, as it turns out, this is also Cooler Master's first-ever wireless Bluetooth mechanical keyboard.

The SK621 is based around a plastic frame topped with a brushed aluminum plate, giving the keyboard some elegance while keeping its weight down. All the while the 60% form factor makes it smaller than most other desktop keyboards. Users can make the most of the RGB functionality and customize the look on the fly with hotkeys, while users looking for a more professional look can turn them off.

Underneath the shallow keys is the linear Cherry MX Low Profile switch, which is similar to Cherry's MX Red switch, but with an actuation point of 45 cN without an audible click. Connecting to a system can be done via Bluetooth 4.0, or with the included USB Type-C to USB Type-A cable (which is detachable and can be used for charging too). At just 424 g, the Cooler Master SK621 gets most of its weight from the mixed aluminum and plastic body, which serves as the foundation of the keyboard.

The Cooler Master SK621 is currently available for pre-order for $120 at Amazon. It is expected the SK621 will filter into other retail channels in the coming weeks.

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  • coburn_c - Friday, May 10, 2019 - link

    No spacing around the directional keys? That's a big nope from me.
  • ZoZo - Friday, May 10, 2019 - link

    Exactly. Hitting the up arrow instead of the right shift key will drive you crazy.
    I knew someone who got a laptop with that kind of layout (Lenovo Yoga 910), he could not stand it and had to remap the up arrow to shift using some software.
    Lenovo must have had some bad feedback, because on the Yoga 920 they reverted to a more classic layout.

    I recommend boycotting this keyboard just for that. Trust me, it's a nightmare.
  • ZoZo - Friday, May 10, 2019 - link

    In fact, if you're accustomed to pressing the shift key below the enter key, it'll be even worse if it's the delete key that's sitting there!
  • CharonPDX - Friday, May 10, 2019 - link

    How often do you reach all the way to the edge of the shift key though? Just testing real quick, that feels really unnatural. Hitting the up arrow, I can see happening fairly often, though.
  • mobutu - Saturday, May 11, 2019 - link

    quote taken from the link at the fifth word starting this article (including nice pictures):

    "The SK621 has a 65-key layout, the SK631 is more compact with a tenkeyless design and the SK651 features a full-sized layout"

    so just wait a tiny little bit until the SK631 is available and your so called "problem" is solved.

  • ZoZo - Sunday, May 12, 2019 - link

    Let me get this straight. You're saying that we should buy the SK631 instead, which means not buying the SK621. And then you're calling me a moron for having basically said the same thing that you just did: don't buy the SK621.

    Also, it's not "our problem", it's the problem of whoever buys that keyboard. I'm warning people against having that problem to begin with.
  • Opencg - Monday, May 13, 2019 - link

    actually for fps gamers keyboards like this are great because they allow the most mousepad space
  • cfenton - Friday, May 10, 2019 - link

    Any battery life claims? I have several wireless keyboards, but none of them have backlighting. I imagine there's a good reason for that.
  • fazalmajid - Friday, May 10, 2019 - link

    Typical on a keyboard like the Hexgears X-1 (avoid) is 4 hours with backlighting, 10 hours on the much better Keychron K1.
  • imaheadcase - Saturday, May 11, 2019 - link

    That is REALLY LOW. Most wireless keyboards media applications last months and months before replaced. I have a cheap wireless one that i use for KODI box and as long as you turn it off when done i have replaced battered like once a year.

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