PRODUCT GUIDE

GMMK 3 HE - 65%, 75%, & Full Size (100%)

The World’s Most Customizable Gaming Keyboard, offering gamers complete control over every aspect of their experience: gaming performance, typing experience and aesthetics.

What's in the Box

  • 1 x GMMK 3 HE (or GMMK 3 HE Barebones)
  • 1 x Braided Cable
  • 4 x HE Sample Switches
  • 6 x Extra Screws and O-Rings1 x Switch Puller
  • 1 x Keycap Puller1 x Screwdriver
  • 1 x Quick Start Booklet

    Prebuilt Only
  • 4 x macOS Alternate Keycaps

Getting Started

System Requirements

  • Available USB-A port
  • Windows 10+, macOS 10.11 or later


Plug & Play

First, connect the USB-C end of the included cable to your keyboard. Then, plug the USB-A end into an open port on your computer. Your system will automatically recognize the device and install the necessary drivers for basic operation (Windows Only).

Glorious CORE 2.1 Software
Glorious CORE 2.1 is essential for enabling Hall Effect features on GMMK 3 PRO HE keyboards. It also keeps your firmware up to date for peak performance and future functionality, while allowing customization like lighting adjustments, key remapping, and more.

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Download CORE 2.1

Barebones

System Requirements

  • Available USB-A port
  • Windows 10+, macOS 10.11 or later


Plug & Play
First, connect the USB-C end of the included cable to your keyboard. Then, plug the USB-A end into an open port on your computer. Your system will automatically recognize the device and install the necessary drivers for basic operation (Windows Only).

IMPORTANT: Run the Switch Calibration Tool
Any mechanical switches you install in your GMMK 3 HE keyboard will not register an input until you download Glorious CORE 2.1 and run the switch calibration tool. 

  1. Download and run [Glorious CORE 2.1].
  2. Make sure your GMMK 3 HE keyboard is plugged in.
  3. Click on the keyboard when it appears on the home screen.
  4. Click the “Performance” tab.
  5. Run the Calibration Tool and follow the on-screen instructions.


If you decide to swap switches down the line, mechanical switches (MX) will require this process to function. We recommend this process for magnetic (HE) switches to ensure peak performance with HE features.


Glorious CORE 2.1 Software
Glorious CORE 2.1 is essential for enabling Hall Effect features on GMMK 3 PRO HE keyboards. It also keeps your firmware up to date for peak performance and future functionality, while allowing customization like lighting adjustments, key remapping, and more.

Using the Rotary Knob

  • Rotating the knob clockwise raises your device’s volume.
  • Rotating counterclockwise lowers volume. 
  • Pressing the knob once toggles between muting and unmuting your device’s sound.
  • Double-tapping the knob cycles through the keyboard’s 3 customizable layers.


Customizing Functions: The knob’s functions and keyboard’s layers are customizable via Glorious CORE 2.1.

Switching Between Windows & MacOS Functions

  • On the backside of the GMMK 3 HE near the USB port is an Operating System Toggle Switch that lets you instantly change the keyboard’s bottom row functions to match either Windows or macOS. 
  • For Windows (Default): Flip the switch to the left, and the device will use the bottom row inputs that match the standard Windows layout.
  • For macOS: Flip the switch to the right, and the device will use the bottom row inputs that match the standard macOS layout.

Switching Between Keyboard Profiles

  • 3 custom profiles can be saved to the GMMK 3 HE. On the backside of the board, near the USB port, is a Profile Switch with three positions. Each corresponds to the respective profile they activate.
  • For Profile 1 (Default): Flip the switch to the far left position.
  • For Profile 2: Flip the switch to the middle position.
  • For Profile 3: Flip the switch to the far right position.
  • Customizing Profiles: Profiles can be customized via Glorious CORE 2.1.

Useful Key Combinations

65%

Lighting Control

Cycle through active RGB zone

FN + Z

Cycle through colors for current effect (if applicable)

FN + X

Cycle lighting effect speed 
(If applicable)

Decrease

FN + C

Increase

FN + V

Cycle Lighting Effect

Previous

FN + Left

Next

FN + Right

Cycle Brightness

Decrease

FN + Up

Increase

FN + Down

Media Control (Windows Only)

Mute

FN + B

Previous Track

FN + ,

Volume Down

FN + N

Play/Pause

FN + .

Volume Up

FN + M

Next Track

FN + /

System Control

Scroll Lock (Windows Only)

FN + U

Printscreen

FN + P

Enable/Disable Windows Key

FN + Win

End

FN + Page Up

Del

FN + Backspace

Home

FN + PageDown

Insert

FN + O

Special Functions

~

FN + Shift + Esc

`

FN + Esc

Cycle Layers Up

FN + Alt + Up

Cycle Profiles Up

FN + Alt + Left

Cycle Layers Down

FN + Alt + Down

Cycle Profiles Down

FN + Alt + Right

Permanent Combination

Restore Keyboard to Factory Default Settings

FN + ESC then F1 + F3 + F5 
(Hold for 10 Seconds)

75% & 100%

Lighting Control

Cycle through active RGB zone

FN + Z

Cycle through colors for current effect (if applicable)

FN + X

Cycle lighting effect speed 
(If applicable)

Decrease

FN + C

Increase

FN + V

Cycle Lighting Effect

Previous

FN + Left

Next

FN + Right

Cycle Brightness

Decrease

FN + Up

Increase

FN + Down

Media Control (Windows Only)

Media Player

FN + F4

Stop

FN + F8

Previous Track

FN + F5

Mute

FN + F9

Next Track

FN + F6

Volume Down

FN + F10

Play/Pause

FN + F7

Volume Up

FN + F11

System Control

Enable/Disable Windows Key

FN + Win

Web Browser

FN + F2

Home

FN + End

Calculator

FN + F3

My Computer

FN + F1

Print Screen

FN + F12

Default Layer 3 Combinations

Cycle Layers Up

FN + Alt + Up

Cycle Profiles Up

FN + Alt + Left

Cycle Layers Down

FN + Alt + Down

Cycle Profiles Down

FN + Alt + Right

Permanent Combination

Restore Keyboard to Factory Default Settings

FN + ESC then F1 + F3 + F5
(Hold for 10 Seconds)

How-To Build Guilds

Click a how-to guide below for step-by-step instructions on how to customize your GMMK 3 HE’s look, sound, and feel to your exact preference. 

Hall Effect & 8,000Hz Polling Setup Guides

Click a how-to guide below for step-by-step instructions on how to enable and fine-tune your GMMK 3 HE’s hall effect features.

Technical Specifications

Layout:

65%: 65 Keys, 75%: 80 Keys, 100%: 104 Keys

Switch Compatibility:

Glorious Magnetic (HE) ; 3/5-pin Mechanical (MX)

Connectivity:

USB-C Wired (Detachable)

RGB Lighting:

Per-key ; Sidelights ; Badge

OS Support:

Windows 10+ ; macOS 10.11 or later

Software:

Glorious CORE

Max Polling Rate:

8,000 Hz

Dimensions:

65%: 13.2” x 4.9” x 1.7” (335 mm x 125 mm x 42.5 mm)

75%: 13.3” x 6” x 1.8” (338 mm x 152 mm x 44.5 mm)

100%: 18.2” x 6” x 1.8” (462 mm x 152 mm x 44.5 mm)

Weight:

65%: 1.61 lb (0.73 kg)
75%: 1.83 lb (0.83 kg)
100%: 2.54 lb (1.15 kg)

Support

Questions or concerns regarding your Glorious keyboard can be directed to our support team.



Note that Glorious is unable to offer comprehensive support for third party firmware or parts (switches, keycaps, stabilizers, etc.) purchased from other companies.

Important Notices

  • 2-year limited manufacturer warranty
  • Warranty does not cover damages resulting from opening the keyboard.
  • Keycaps and other small objects could be swallowed.
  • Keep out of reach of children below the age of 10.

Support

Product Registration

Registering your product extends the warranty by an additional year (free of charge) on eligible devices. To be eligible, register your device within 365 days of the date of purchase.

Register Your Product