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Glorious GMMK 3 100% specifications and in-depth review

Glorious GMMK 3 100%

Manufacturer: Glorious

The Glorious GMMK 3 100% is a full-size mechanical keyboard built for gamers who want a customizable, responsive typing experience. It uses a gasket mount construction housed in a plastic and aluminum case, available in black or white, and ships with a detachable cable for easier cable management. Adjustable feet let users set their preferred tilt angle, and the board includes RGB lighting alongside a rotary dial for on-the-fly adjustments.

The GMMK 3 100% comes equipped with Glorious Fox linear switches featuring a 48 g actuation force and 4.1 mm total travel distance, and the board supports hot-swappable switches so users can swap stems without soldering. It includes N-key rollover (NKRO) and rapid trigger functionality, operates over USB at a 1000 Hz polling rate, and uses PBT double-shot keycaps in an OEM profile with a standard ANSI layout. Media controls are accessible via the Fn key, and the keyboard carries a two-year warranty.

Pros
  • Hot-swappable switches allow users to replace or change switches without soldering
  • Gasket mount construction provides a more flexible and dampened typing feel compared to rigid plate mounts
  • Includes a rotary dial for convenient on-the-fly adjustments
  • Rapid trigger support enables more precise keystroke actuation control
  • N-key rollover ensures every simultaneous keypress is accurately registered
  • Detachable cable makes transportation and cable replacement straightforward
Cons
  • No QMK, ZMK, or VIA support limits firmware customization options
  • Media functions are only accessible via the Fn key with no dedicated media keys
  • No wrist rest included despite the full-size layout requiring extended reach
  • Does not support adjustable actuation or dual actuation, reducing switch configuration flexibility
  • At 1154 g, the keyboard is relatively heavy, which may be a concern for portability
Who is this for?

The GMMK 3 100% is well-suited for desktop gamers who want a full-size layout with all function and numpad keys readily available, and who value the ability to fine-tune their setup over time thanks to hot-swappable switches. The gasket mount combined with linear Glorious Fox switches makes it a solid choice for users who prefer a smoother, dampened typing feel, while rapid trigger and NKRO support cater to those who need reliable, precise keystroke registration in competitive gaming scenarios. The rotary dial and detachable cable add further appeal for users who appreciate practical, hands-on controls without relying on software alone.

Who is this NOT for?

Users who rely on open-source firmware customization through QMK, ZMK, or VIA will find this keyboard limiting, as none of these platforms are supported. The full-size form factor and weight of 1154 g make it a poor fit for anyone needing a portable or travel-friendly keyboard, and the absence of dedicated media keys may frustrate users who frequently switch between audio or playback controls during work or creative tasks. Those looking for Mac-compatible key labeling will also need to look elsewhere, as the board is not designed with Mac layouts in mind.

General info:

Keyboard type Gaming, Mechanical
Keyboard layout size Full (100%)
Profile Standard
connectivity Wired
connection type USB
polling rate 1000 Hz
Mount type Gasket mount
designed for Mac ✕
has a detachable cable ✓
height 148 mm
width 454 mm
thickness 43 mm
weight 1154 g
warranty period 2 years

The Glorious GMMK 3 100% is a full-size (100%) gaming mechanical keyboard with a standard profile and gasket mount construction, connecting to a host system via USB at a 1000 Hz polling rate. It measures 454 mm wide, 148 mm deep, and 43 mm thick, with a total weight of 1154 g. The keyboard features a detachable cable for convenient transport and storage, but is not designed for Mac layouts. It is not intended for Mac-specific key configurations, and comes backed by a 2-year warranty.

Design:

has RGB lighting ✓
Has a backlit keyboard ✕
Case material Plastic, Aluminum
Plate material Aluminum
Case colors Black, White
has adjustable feet ✓
includes a wrist rest ✕

The GMMK 3 100% features a case constructed from a combination of plastic and aluminum, with an aluminum plate, and is available in both black and white colorways. It includes RGB lighting, though it does not have a standard backlit keyboard setup separate from that. Adjustable feet allow users to modify the tilt angle to their preference, while a wrist rest is not included in the package.

Switches:

Switch type Mechanical
Switch feel Linear
Hot-swappable switches ✓
Switch name Glorious Fox
Actuation force 48 g
Total travel distance 4.1 mm

The GMMK 3 100% ships with Glorious Fox mechanical switches, which offer a linear feel with an actuation force of 48 g and a total travel distance of 4.1 mm. The board supports hot-swappable switches, meaning users can replace or swap out switches without any soldering required.

Features:

has analog input ✕
has rapid trigger ✓
has dual actuation ✕
has adjustable actuation ✕
has NKRO ✓
has USB passthrough ✕
Has a display ✕
has QMK support ✕
has ZMK support ✕
has VIA support ✕

The GMMK 3 100% includes rapid trigger and N-key rollover (NKRO) as its two primary active features, allowing for precise keystroke registration and full simultaneous key input. It does not support analog input, dual actuation, or adjustable actuation, and there is no USB passthrough port or built-in display. On the firmware side, QMK, ZMK, and VIA are not supported.

Keys & layout:

Keyboard layout ANSI (United States)
Keycap type PBT, Double-shot
Keycap profile OEM
uses a standard key layout ✓
Media keys Via Fn key
has a rotary dial ✓

The GMMK 3 100% uses a standard ANSI (United States) key layout and comes fitted with PBT double-shot keycaps in an OEM profile, ensuring a consistent feel across the board. Media controls are accessible via the Fn key rather than dedicated keys, and a rotary dial is included for quick on-the-fly input adjustments.

Final Verdict

The Glorious GMMK 3 100% is a well-specified full-size mechanical keyboard that caters primarily to desktop gamers seeking a customizable and responsive setup. Its hot-swappable switch support combined with gasket mount construction gives it genuine long-term versatility, allowing users to adapt the board's feel over time without hardware expertise. Rapid trigger and NKRO ensure keystroke reliability under demanding conditions, while the rotary dial and detachable cable reflect a practical approach to daily usability. That said, the absence of QMK, ZMK, and VIA support means firmware tinkerers will hit a ceiling, and the weight and full-size footprint rule it out for portable use. For users who prioritize a solid, game-ready full-size board with room to grow through switch experimentation, the GMMK 3 100% represents a focused and coherent option within its category.

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