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Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection

SKU: K3M-H1-UK
$114.00

Version
Layout Version
Switch Option

Keychron K3 Max is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 75% compact layout through VIA. Besides, it has included LSA (low profile spherical-angled) profile keycaps for both Windows and macOS, and users can hot-swap with Gateron low-profile MX mechanical switch in a breeze.

ISO Layouts: German, Nordic, UK, Swiss.

No discount code can be used for the K3 Max.

Please drop your email on "Notify Me When Available" if the product model is out of stock

Keychron K3 Max

ISO Layout Collection

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout

The K3 Max is a low-profile wireless mechanical keyboard with a 75% layout. It supports 2.4 GHz, Bluetooth, and wired connections. Empowered by QMK/VIA, it offers endless possibilities and enhanced productivity in your work and gaming!

K3-Max-features.jpg__PID:6e05e146-78fe-4a7f-a9f1-7f772b38640f

K3 Max ISO Layout Versions

These versions include the UK, German, Swiss, and Nordic layouts, all with extra keycaps suitable for Mac and Windows devices.

🇬🇧 UK-ISO Layout

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout

🇩🇪 German DE-ISO Layout

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout

🇨🇭Swiss-ISO Layout

K3-Max-ISO-Swiss.jpg__PID:7c37c340-61d4-4be0-8af7-f1059e8dc7ed

🇩🇰 🇫🇮 🇳🇴 🇸🇪 Nordic-ISO Layout

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout

2.4 GHz & Bluetooth Connection

Experience peak gaming performance on the fly with the 2.4 GHz wireless connection boasting a rapid 1000 Hz polling rate. For seamless multitasking across your computer, phone, and tablet, you can effortlessly connect the K3 Max via Bluetooth 5.1 to three devices.

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout

Ultra-Slim

The innovative low-profile Gateron switch is 31% slimmer than conventional normal profile switches makes the aluminum body K3 Max one of the thinnest wireless mechanical keyboards in the world. While still delivering a distinguished tactile response.

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout
QMK on Keychron K3 Max
VIA on  on Keychron K3 Max

Program with QMK & VIA.

QMK/VIA means endless possibilities for a fluid workflow. Thanks to our engineering team, it's the first time in history that a wireless mechanical keyboard has these kinds of capabilities right out of the box.

Simply connect the K3 Max to your device with a cable, drag and drop your favorite keys or macro commands to remap any key you want on any system (macOS, Windows, or Linux). 

ARM Cortex-M4 32-bit STM32F402 MCU which is powerful, and equipped with 256K Flash will provide more flexibility for developers.

Get the K3 Max keymap working on VIA

Since the VIA code for the  K3 Max version is still awaiting approval from Github, it is not yet automatically recognized. Please download the appropriate keymap JSON file below, open VIA, turn on "Show Design tab" on "Settings" tab, and drag the JSON file into the “Design” tab on VIA to get the K3 Max keymap working on VIA.

K3 Max Keymap JSON Files

Suitable For All Devices

Offers a Mac layout while remaining compatible with Windows. It stands out in the market by providing the same multimedia and function key functions as Apple keyboards for Mac users, but with enhanced tactile feedback.

Additionally, you can configure different keymaps for both Mac and Windows devices. The VIA software is compatible with macOS, Windows, and Linux. The keyboard includes keycaps for both macOS and Windows, along with additional esc and enter keys, facilitating seamless switching between operating systems.

K3-Max-ISO-OS-Toggle.jpg__PID:1997390f-28ff-473c-b809-23b751eb6218
Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout

An Epic Core Inside

A powerful ARM architecture MCU equipped with 256KB Flash will provide more flexibility for developers. The polling rate is 1000 Hz on 2.4GHz and wired modes right out of the box, which makes the latency hardly noticeable even in competitive games.

Interior Acoustic Foam 

Elevate your typing with K3 Max featuring advanced IXPE acoustic foam for silent keystrokes and enhanced comfort, coupled with resilient latex foam for superior key switch support, responsiveness, and durability. Redefining the standard for a quiet, comfortable, and responsive typing experience.

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout

Hot-Swappable

We all have our unique typing preferences, that’s why we are offering hot-swappable option on the K3 Max, so you can easily hot-swap every low-profile Gateron mechanical switch in a few seconds to customize the typing experience without soldering.

*The K3 Max is currently compatible with Gateron/Keychron low-profile mechanical switches only, as QMK does NOT support low-profile optical switches.

K3-Max-ISO-hot-swappable.jpg__PID:be0608ba-05af-42dc-af8a-7c4c0f58fb28

Low-Profile Gateron Switch

The Gateron low-profile MX 2.0 Mechanical switch is designed to enhance reliability. Gateron's reputable switches are your best choice for a precise, smooth, and reliable fingertip feel whether you prefer linear (red), clicky (blue), or something in between (brown).

Gateron-low-profile-2.0-mechanical-switch-features-red-and-brown-center.jpg__PID:4dafce0b-4889-4736-8bb0-fba618c433bd
K3-Max-ISO-PBT-Keycaps.jpg__PID:fb2830b2-df8f-4779-b19b-8f1aa61b9587

Low-Profile Double-shot PBT Keycaps

Designed for premium type feeling, the K3 Max comes with our unique double-shot PBT keycaps that made of durable non-backlight shine through PBT material with excellent oil resistance for long-term use.

Redesigned Stabilizers

We’ve redesigned the stabilizers to make it stay on the level the same way as the switch while making sure it still delivers reliability and less wobble on the big keys like the space bar, left Shift, backspace, and Enter key.

K3-Max-ISO-Stabilizers.jpg__PID:968a0fb8-2146-40d7-b59d-0e42eafa7051

RGB Backlights

Comes with more than 22 types of RGB backlight settings (as well as a static white backlight option), and 14 types of backlight settings on the White Backlight version. You can further fine-tune the RGB hue, saturation, brightness, effect speed with ease.

Keychron-K3-Max-wireless-mechanical-keyboard

Ergonomic Support

Three levels of adjustable typing angle aim to provide long-lasting ergonomic wrist support.

What's in the box?

K3-Max-ISO-package-list.jpg__PID:8908bad4-0be3-4007-977e-e4ebe07bef74
Differences Among the Low Profile K Max, K Pro, and K Series Keyboards

What's in the box?

Keychron K6 Pro package content
Keychron K6 Pro Barebone version package content

Frequently bought together (Add-on)

ANY KEYBOARD + ADD-ON
Pay shipping fee for keyboard only. Free shipping for the add-on (Excluding the Carrying Case and Mouse). Terms here.

Select the matching variant for your product.

Keychron low profile ABS keycap full keycap set black and grey
Low Profile ABS LSA Full Set Keycap Set Black and Gray
Low Profile ABS LSA Full Set Keycap Set White on Black
Keychron low profile ABS keycap full keycap set black and grey
Low Profile ABS LSA Full Set Keycap Set Black and Gray
Low Profile ABS LSA Full Set Keycap Set White on Black

Low Profile ABS LSA Full Set Keycap Set

Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Keychron carrying case for k6 k6 pro plastic version keyboard
Keychron carrying case for k6 k6 pro aluminum version keyboard
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Keychron K14 keyboard carrying case K14 aluminum version
Keychron K14 keyboard carrying case K14 plastic version
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Carrying Case for Keychron Q2
Keychron Keyboard Carrying Case
Carrying Case for Keychron Q6 Custom Mechanical Keyboard
Keychron Q4 Keyboard Carrying Case
Keychron Q7 keyboard carrying case
Keychron Q9 keyboard carrying case
Keychron Q8 keyboard carrying case
Keychron Q10 keyboard carrying case
Keychron K10 Keyboard Carrying Case For Plastic Frame Version
Keychron K10 Keyboard Carrying Case For Aluminum Frame Version
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Keychron carrying case for k6 k6 pro plastic version keyboard
Keychron carrying case for k6 k6 pro aluminum version keyboard
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Crafted with canvas and EVA plastic, the Keychron keyboard carrying case is designed to protect your keyboard in style.
Keychron K14 keyboard carrying case K14 aluminum version
Keychron K14 keyboard carrying case K14 plastic version
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Carrying Case for Keychron Q2
Keychron Keyboard Carrying Case
Carrying Case for Keychron Q6 Custom Mechanical Keyboard
Keychron Q4 Keyboard Carrying Case
Keychron Q7 keyboard carrying case
Keychron Q9 keyboard carrying case
Keychron Q8 keyboard carrying case
Keychron Q10 keyboard carrying case
Keychron K10 Keyboard Carrying Case For Plastic Frame Version
Keychron K10 Keyboard Carrying Case For Aluminum Frame Version
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case
Keychron Keyboard Carrying Case

Keychron Keyboard Carrying Case

Keychron Q1 Q2 wooden palm rest
Keychron wooden palm rest for q3 keyboard
Keychron Q5 Keyboard Wooden Palm Rest
Keychron Q6 Wooden Palm Rest
Keychron K2 K6 K6 Pro Wooden Palm rest
keychron K3 K7 wooden palm rest
keychron k4 wooden palm rest
keychron K8 K8 Pro C1 wooden palm rest
keychron K12 Q4 wooden palm rest
keychron C2 K10 wooden palm rest
keychron k14 wooden palm rest
Keychron V1 keyboard wooden palm rest
Keychron Q7 Keyboard Palm Rest
Keychron Q8 Palm Rest
Keychron Q10 Wooden Palm Rest
Keychron Q11 wooden palm rest
Keychron Q12 Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Q14 Pro Wooden Palm Rest
Keychron Q1 Q2 wooden palm rest
Keychron wooden palm rest for q3 keyboard
Keychron Q5 Keyboard Wooden Palm Rest
Keychron Q6 Wooden Palm Rest
Keychron K2 K6 K6 Pro Wooden Palm rest
keychron K3 K7 wooden palm rest
keychron k4 wooden palm rest
keychron K8 K8 Pro C1 wooden palm rest
keychron K12 Q4 wooden palm rest
keychron C2 K10 wooden palm rest
keychron k14 wooden palm rest
Keychron V1 keyboard wooden palm rest
Keychron Q7 Keyboard Palm Rest
Keychron Q8 Palm Rest
Keychron Q10 Wooden Palm Rest
Keychron Q11 wooden palm rest
Keychron Q12 Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Wooden Palm Rest
Keychron Q14 Pro Wooden Palm Rest

Keychron Wooden Palm Rest

Keychron K7 Travel Pouch Orange 2
Keychron Travel Pouch
Crafted with Saffiano leather, the Keychron K3 travel pouch is designed to protect your K3 keyboard in style.
Crafted with Saffiano leather, the Keychron K3 travel pouch is designed to protect your K3 keyboard in style.
Crafted with Saffiano leather, the Keychron K3 travel pouch is designed to protect your K3 keyboard in style.
Keychron Travel Pouch
Keychron K7 Travel Pouch Orange
Keychron K7 Travel Pouch Black
Keychron K7 Travel Pouch Grey
Keychron K7 Travel Pouch Black 2
Keychron K7 Travel Pouch Grey 2
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron K7 Travel Pouch Orange 2
Keychron Travel Pouch
Crafted with Saffiano leather, the Keychron K3 travel pouch is designed to protect your K3 keyboard in style.
Crafted with Saffiano leather, the Keychron K3 travel pouch is designed to protect your K3 keyboard in style.
Crafted with Saffiano leather, the Keychron K3 travel pouch is designed to protect your K3 keyboard in style.
Keychron Travel Pouch
Keychron K7 Travel Pouch Orange
Keychron K7 Travel Pouch Black
Keychron K7 Travel Pouch Grey
Keychron K7 Travel Pouch Black 2
Keychron K7 Travel Pouch Grey 2
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch
Keychron Travel Pouch

Keychron Travel Pouch

Keychron Premium Coiled Aviator Type-C Cable Black
Keychron Premium Coiled Aviator Type-C Cable Blue
Keychron Premium Coiled Aviator Type-C Cable Black Angled
Keychron Premium Coiled Aviator Type-C Cable Blue Angled
Keychron Premium Coiled Aviator Type-C Cable Purple
Keychron Premium Coiled Aviator Type-C Cable Red
Keychron Premium Coiled Aviator Angled Type-C Cable Red
Keychron Premium Coiled Aviator Angled Type-C Cable Purple
Keychron Premium Coiled Aviator Type-C Cable Black
Keychron Premium Coiled Aviator Type-C Cable Blue
Keychron Premium Coiled Aviator Type-C Cable Black Angled
Keychron Premium Coiled Aviator Type-C Cable Blue Angled
Keychron Premium Coiled Aviator Type-C Cable Purple
Keychron Premium Coiled Aviator Type-C Cable Red
Keychron Premium Coiled Aviator Angled Type-C Cable Red
Keychron Premium Coiled Aviator Angled Type-C Cable Purple

Keychron Premium Coiled Aviator Cable

Gateron Low Profile Mechanical Red Switch
MX-style low-profile Gateron mechanical switch red
Gateron Low Profile Mechanical Blue Switch
MX-style low-profile Gateron mechanical switch blue
Gateron Low Profile Mechanical Brown Switch
MX-style low-profile Gateron mechanical switch brown
Gateron Low Profile 2.0 Mechanical Switch
Gateron Low Profile 2.0 Mechanical Switch
Gateron Low Profile Mechanical Red Switch
MX-style low-profile Gateron mechanical switch red
Gateron Low Profile Mechanical Blue Switch
MX-style low-profile Gateron mechanical switch blue
Gateron Low Profile Mechanical Brown Switch
MX-style low-profile Gateron mechanical switch brown
Gateron Low Profile 2.0 Mechanical Switch
Gateron Low Profile 2.0 Mechanical Switch

Gateron Low Profile 2.0 Mechanical Switch

Keychron M3 Wireless Mouse Black
Keychron M3 Wireless Mouse White
Keychron M3 4K wireless optical mouse
Keychron M3 Wireless Mouse Black
Keychron M3 Wireless Mouse White
Keychron M3 Wireless Mouse Black
Keychron M3 Wireless Mouse White
Keychron M3 4K wireless optical mouse
Keychron M3 Wireless Mouse Black
Keychron M3 Wireless Mouse White

Keychron M3 Wireless Mouse

 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap
 Cute Cows Aluminium Alloy Artisan Keycap

Cute Cows Aluminum Alloy Artisan Keycap

Keychron Mouse Pad
Keychron Mouse Pad
Keychron Mouse Pad
Keychron Mouse Pad
Keychron Mouse Pad
Keychron Mouse Pad

Keychron Mouse Pad

Keychron Desk Mat
Keychron Desk Mat
Keychron Desk Mat
Keychron Desk Mat
Keychron Desk Mat
Keychron Desk Mat
Keychron Desk Mat
Keychron Desk Mat

Keychron Desk Mat

Keychron M1 Wireless Mouse Black
Keychron M1 Wireless Mouse White
Keychron M1 Wireless Mouse Black
Keychron M1 Wireless Mouse White
Keychron M1 Wireless Mouse Black
Keychron M1 Wireless Mouse White
Keychron M1 Wireless Mouse Black
Keychron M1 Wireless Mouse White

Keychron M1 Wireless Mouse

Gamepad Controller Capslock Aluminum Alloy Artisan Keycap
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap-Yellow
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap Yellow
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap-Yellow
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap Yellow
Gamepad Controller Capslock Aluminum Alloy Artisan Keycap

Gamepad Controller Capslock Aluminum Alloy Artisan Keycap

SPECIFICATION

 
Number of Keys: 84 (75%)
Switches: Gateron low-profile mechanical
Switch Face: North-facing
Number of Multimedia Keys: 12 
Case Material: ABS+Aluminum frame
Keycap Material: Low-profile double-shot PBT
Layout: ISO
Polling Rate (2.4Ghz and Wired Mode): 1000Hz
Polling Rate (BT Mode): 90Hz
N-Key Rollover (NKRO): Yes for both wireless and wired modes

*The K3 Max is currently compatible with Gateron/Keychron low-profile mechanical switches only, as QMK does NOT support low-profile optical switches.

CONNECTIVITY AND POWER


Backlit: 22 types of RGB backlight options plus endless possibilities
Battery: 1550 mAh rechargeable li-polymer battery
Wireless  Working Time (Backlit off): Up to 78  hours (Lab test result may vary by actual use)
Wireless  Working Time (RGB): Up to 40 hours (Lowest brightness)
Connection: 2.4 GHz / Bluetooth / Type-C wired
Bluetooth version: 5.1
Bluetooth Device Name: Keychron K3 Max
Compatible System: macOS / Windows / Linux

PHYSICAL UNIT


Dimension: 306 x 116 mm (12.04 x 4.56")
Weight: 525 g / 1.16 lbs
Height without keycap (front): 11 mm (0.43")
Height without keycap (rear): 15 mm (0.59")
Height incl. keycap (front): 17 mm (0.66")
Height incl. keycap (rear): 22 mm (0.86")
Typing Angle: 2.5º, 4.2º and 6.5º
MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash)
Operating Environment: -10 to 50℃

Keychron K3 Max User Guide

Learn more about the Keychron K3 Max such as the shortcuts, VIA tutorial, factory reset, and more in the FAQ section.

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Keychron K3 Max QMK VIA ultra slim custom mechanical keyboard 75 percent layout PBT Keycaps hot-swappable Gateron low profile switch red ISO UK layout
K Max series

Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection

$114.00

Keychron K3 Max is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 75% compact layout through VIA. Besides, it has included LSA (low profile spherical-angled) profile keycaps for both Windows and macOS, and users can hot-swap with Gateron low-profile MX mechanical switch in a breeze.

ISO Layouts: German, Nordic, UK, Swiss.

No discount code can be used for the K3 Max.

Please drop your email on "Notify Me When Available" if the product model is out of stock

Version

  • RGB Backlight (Hot-Swappable)

Layout Version

  • UK-ISO
  • DE-ISO
  • Swiss-ISO
  • Nordic-ISO

Switch Option

  • Low Profile Gateron Mechanical Red
  • Low Profile Gateron Mechanical Brown
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