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Glorious GMMK 3 barebones

Glorious

Glorious GMMK 3

Released 2024

Researched from maker specs and published sources. Last checked Oct 18, 2026.

Glorious's modular gasket-mount barebones with a knob and hot-swap PCB

A wired, modular barebones with a polymer case, aluminum plate, modular gaskets, hot-swap sockets and knob support. Reviews cover the HE and Boardsmith versions: decent typing, rattly stabilizers, and software that is not great.

Barebones 75% and other sizes Modular gasket Hot-swap Knob Aluminum plate +1 more

Our take, based on research

A flexible modular base with an aluminum plate and hot-swap sockets, held back by software criticism. Evidence is for sibling versions, so check the exact configuration.

Overview

The GMMK 3 is Glorious's modular board, sold here as a barebones in 65%, 75% and 100% sizes. Glorious lists a polymer case, an aluminum switch plate, a modular gasket system, sound-dampening foam, hot-swap sockets, knob support, three onboard profiles and a 1,000 Hz maximum polling rate. It has no switches or keycaps included, only four MX sample switches. Glorious CORE handles lighting and key remapping, and the page says there is no QMK support. The 75% measures 338 by 152 by 44.5 mm. None of the reviews read here covers the barebones itself. They cover the Hall-effect and Boardsmith configurations, so they are best read as hints about the shared parts. Tom's Hardware found typing decent, but noted rattly keys and a lot of spacebar stabilizer rattle, and called Glorious Core not great. PCWorld, reviewing a GMMK 3 Pro HE, found the typing feel great on Lynx HE switches and software deeply lacking. Tom's Hardware also notes that the barebones and prebuilt boards come with aluminum switch plates, and that the Boardsmith offers polycarbonate, FR4 and brass. It suits hobbyists who want a modular gasket board they can reconfigure and who expect to tune stabilizers.

Pros & Cons

Strengths
  • Modular gasket system with an aluminum switch plate (Glorious)
  • Hot-swap sockets and knob support on a wired board (Glorious)
  • Three layouts and many case colors from Glorious's configurator (Tom's Hardware)
  • Three onboard profiles (Glorious)
  • Typing described as decent with tactile switches in a Boardsmith build (Tom's Hardware)
  • Works across Windows, macOS and Linux (Glorious)
What Could Be Better
  • No switches or keycaps included; only four sample switches (Glorious)
  • Rattly stabilizers on the spacebar in Tom's Hardware's configured unit
  • Glorious CORE software called not great or deeply lacking (Tom's Hardware, PCWorld)
  • Polymer case on this barebones (Glorious)
  • No QMK support (Glorious)
  • Reviews are of HE and Boardsmith versions, not the barebones itself

Who Is This For?

Perfect For
  • Builders who want a modular, gasket-mount base
  • People who want to try different plates and gaskets
  • Wired desk setups that want a knob
Maybe Not For
  • Buyers who want a finished board out of the box
  • QMK or VIA fans
  • Wireless users

Where to Buy

Specifications
Full technical details

Dimensions

338 x 152 x 44.5mm (75%)

Weight

Not listed

Case Material

Polymer

Connectivity

Wired


Mounting Style Gasket
Typing Angle Not listed
Front Height 44.5mm
Switch Type Mechanical
Profile Standard
Keycaps Not included
PCB Hot-swap, per-key RGB
Compatible Switches MX-style 3-pin and 5-pin

Plate Options

Aluminum

Case Colors

Black

Software Support

Glorious CORE

NKRO
RGB

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