The GMMK Eternal is a mechanical gaming keyboard with a hot-swappable PCB that takes both 3- and 5-pin switches. It comes pre-built with Glorious' Fox switches, which are pre-lubed linear switches with an actuation force of 55g — a little heavier than your average linear switch, but I kind of liked the extra force. The switches are otherwise typical linear switches, with smooth, stable keypresses that have no tactile bump or audible click. They're rated for 50 million clicks.
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The keyboard features three layers of sound-dampening material in the case: a molded silicone layer and two layers of PU foam around the PCB, for a "deeper, more satisfying thock." And I'll admit that I was pretty impressed with how the GMMK Eternal sounded out of the box — especially for a sub-$100 keyboard from a mainstream gaming company. There was a small amount of rattle as I typed, but the case, at least, was solid and ping-less, and bottoming out did give a deeper sound (if not quite a "thock").
The GMMK Eternal comes with double-shot ABS keycaps in an OEM profile, which is the standard, medium-height profile you'll find on most mainstream gaming keyboards. The keycaps have lightly cupped, textured tops with shine-through legends and secondary legends printed on the sides in white. While I usually prefer lower-profile keycaps, I didn't mind these — the keyboard is fairly compact and low-profile to begin with, so I didn't find the standard height OEM profile to be uncomfortable (nor did I feel like I needed a wrist rest).
The GMMK Eternal is a solid option for both typing and gaming — I didn't have any issues with accuracy, speed, or response time in my testing, minus the normal learning curve of getting used to having the arrow keys right on top of the alphanumeric keys.
The GMMK Eternal is configurable with Glorious' universal peripheral software, Glorious Core, which I don't have any real problems with, save for the fact that it requires a restart upon install. The keyboard has onboard storage, and you can set up up to three profiles in Glorious Core to save directly to the hardware.
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You can use Glorious Core to adjust the keyboard's settings, including polling rate, input latency, and lighting standby timer, as well as switching between Windows and Mac modes. This isn't a magnetic switch keyboard, so there's not much else to set up in terms of performance. You can also remap keys — up to two layers deep, and the software has a built-in macro recorder and manager.
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You can also customize the keyboard's lighting, which looks great — the board features bright RGB backlighting with a north-facing PCB, and the board's otherwise boring design really lets the lighting shine. There are 17 different lighting presets in Glorious Core, and you can also customize the lighting for each key individually (if you want).
The Glorious GMMK Eternal isn't the most exciting keyboard on the market, especially not for gaming. It's a wired keyboard with mechanical switches and a standard 1,000 Hz polling rate, so it's not trying to be the fastest, lowest-latency, RapidTrigger-enabled keyboard that will launch you into a pro-eSports career. Instead, it's a simple, compact keyboard that offers a very solid typing and gaming experience with hot-swappable switches and pretty RGB lighting for the relatively budget-friendly price of $100. While you can definitely find keyboards for less than $100, you probably won't find one that sounds and feels better than the GMMK Eternal.
Sarah Jacobsson Purewal Social Links Navigation Senior Editor, Peripherals Sarah Jacobsson Purewal is a senior editor at Tom's Hardware covering peripherals, software, and custom builds. You can find more of her work in PCWorld, Macworld, TechHive, CNET, Gizmodo, Tom's Guide, PC Gamer, Men's Health, Men's Fitness, SHAPE, Cosmopolitan, and just about everywhere else.
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