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

SKU: K3M-H1-UK
€113,00

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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.



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Keychron K3 Max
ISO Layout Collection

Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile 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!

Features of Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout

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

UK-ISO Layout Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard

🇩🇪 German DE-ISO Layout

German DE-ISO Layout Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard

🇨🇭Swiss-ISO Layout

Swiss ISO Layout Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard

🇩🇰 🇫🇮 🇳🇴 🇸🇪 Nordic-ISO Layout

Nordic ISO Layout Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard

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 ultra-slim custom mechanical low profile 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 ultra-slim custom mechanical low profile keyboard ISO Layout

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.

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.

Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout
Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile 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 ultra-slim custom mechanical low profile 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.

Hot-swappable Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout

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 Switch Features
Low-Profile Double-shot PBT Keycaps

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.

Screw in PCB Stabilizers

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.

K3 Max QMK ISO keyboard Ergonomic Support Adjustable typing feet and angle

Ergonomic Support

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

What's in the box?

Package list of Keychron K3 Max QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout
Differenes among the low profile K Max, K Pro, and K Series keyboards

Frequently bought together

Select the matching variant for your product.

Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz
Keychron Tastatur Handballenauflage aus Holz

Keychron Tastatur Handballenauflage aus Holz

Keychron K7 Travel Pouch Orange 2
Keychron Reisetasche
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 Reisetasche
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 Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron K7 Travel Pouch Orange 2
Keychron Reisetasche
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 Reisetasche
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 Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche
Keychron Reisetasche

Keychron Reisetasche

Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel
Keychron Premium Aviator Spiralkabel

Keychron Premium Aviator Spiralkabel

Low-Profile-Gateron-Mechanisches Schalterset
MX-style low-profile Gateron mechanical switch red
Low-Profile-Gateron-Mechanisches Schalterset
MX-style low-profile Gateron mechanical switch blue
Low-Profile-Gateron-Mechanisches Schalterset
MX-style low-profile Gateron mechanical switch brown
Low-Profile-Gateron-Mechanisches Schalterset
Low-Profile-Gateron-Mechanisches Schalterset
Low-Profile-Gateron-Mechanisches Schalterset
MX-style low-profile Gateron mechanical switch red
Low-Profile-Gateron-Mechanisches Schalterset
MX-style low-profile Gateron mechanical switch blue
Low-Profile-Gateron-Mechanisches Schalterset
MX-style low-profile Gateron mechanical switch brown
Low-Profile-Gateron-Mechanisches Schalterset
Low-Profile-Gateron-Mechanisches Schalterset

Low-Profile-Gateron-Mechanisches Schalterset

Keychron Geek-Kabel mit doppelter Ummantelung
Keychron Geek-Kabel mit doppelter Ummantelung
Keychron Geek-Kabel mit doppelter Ummantelung
Keychron Geek-Kabel mit doppelter Ummantelung
Keychron Geek-Kabel mit doppelter Ummantelung
Keychron Geek-Kabel mit doppelter Ummantelung

Keychron Geek-Kabel mit doppelter Ummantelung

Keychron USB-Bluetooth-Adapter für Windows-PC
Keychron USB-Bluetooth-Adapter für Windows-PC
Keychron USB-Bluetooth-Adapter für Windows-PC
Keychron USB-Bluetooth-Adapter für Windows-PC

Keychron USB-Bluetooth-Adapter für Windows-PC

Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe
Keychron LSA Low Profile Metall Artisan Tastenkappe

Keychron LSA Low Profile Metall Artisan Tastenkappe

Low-Profile-ABS-LSA-Komplettset-Tastenkappenset
Low-Profile-ABS-LSA-Komplettset-Tastenkappenset
Low-Profile-ABS-LSA-Komplettset-Tastenkappenset
Low-Profile-ABS-LSA-Komplettset-Tastenkappenset

Low-Profile-ABS-LSA-Komplettset-Tastenkappenset

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.

Customer Reviews

Based on 1 review
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L
Lux Cowl
There arent many other options.

The K3 Max is a very solid keyboard, with the typical Keychron quality.
The set of features and connection types are very handy and for me its a good base for modding. Because it isnt really perfect, wha tis a shame considering that there is no real alternative on the market right now for ISO layouts.
- It sounds out of the box very clacky, some of the Gateron Browns feel not that smooth.
- It would have been nice if they had more options for the ISO layouts. Like Gateron banana switches or ABS keycaps. If i compare the PBT caps to the ABS ones from the V3, i clearly prefer the ABS ones.
Not just from the feeling and the fact that the ABS versions are shine-through, but also because of the fact that their ISO-DE ones have all symbols on them and because Keychron has this weird thing with their PBT sets where the "Ü" key has the small letter "ü" on it and not like the rest of the keys AND all their ABS sets as well the big letter version "Ü". Because options for custom Low Profile keycaps are basically non-existent for the german ISO layout and even Keychron themselves dont offer alternatives, i factually cant replace them with anything else or at least make that one key look correctly.
It is kinda a nitpick, but its annoying if you pay over hundred bucks and have no chance to correct this.
- Also it would be great if the VIA software would offer the option to light keys individually, what is atm just not the case.

Besides that - it is still a very nice keyboard and can be made into a much better one with some modding work.