Keychron K5 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K5 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection - RGB Backlight (Hot-Swappable)-PBT Keycaps / UK-ISO / Low Profile Gateron Mechanical Red is backordered and will ship as soon as it is back in stock.
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Keychron K5 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 100% 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.
No discount code can be used for the K5 Max.
ISO options: German, UK, Nordic, Spanish, French, Italian, and Swiss layouts.
PBT Keycaps: Non-shine-through
Please drop your email on "Notify Me When Available" if the product model is out of stock.
Keychron K5 Max
ISO Layout Collection
![Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-1](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-1_1200x.jpg?v=1721656425)
The ultra-slim K5 Max keyboard blends classic design with advanced connectivity, featuring a 100% layout and support for 2.4 GHz, Bluetooth, and wired connections. With QMK and Keychron Launcher web configurator, it enhances both work efficiency and gaming, offering a smooth, responsive encounter.
![Features of Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout Features of Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K3-Max-features_7d35fb2d-4607-43b3-a601-bb64bccf4786_1200x.jpg?v=1715344136)
LSA Profile Keycaps
To further leverage your typing experience, the K5 Max ISO version comes with our unique LSA profile (Low profile with spherical angle) keycaps.
Shine-Through ABS Keycaps
![Keychron K5 Max QMK/VIA ultra-slim custom mechanical low profile keyboard Keychron K5 Max QMK/VIA ultra-slim custom mechanical low profile keyboard](https://cdn.shopify.com/s/files/1/0599/4977/7066/files/K-Pro-LSA-ABS_500x.jpg?v=1714214474)
ABS keycaps aim to provide a comfortable fingertip feel and a fantastic backlight shine-through effect.
Double-Shot PBT Keycaps
![Keychron K1 Pro QMK/VIA ultra-slim custom mechanical low profile keyboard Keychron K1 Pro QMK/VIA ultra-slim custom mechanical low profile keyboard](https://cdn.shopify.com/s/files/1/0599/4977/7066/files/K1-ISO-PBT-2_500x.jpg?v=1714214490)
The double-shot PBT keycaps will provide excellent oil resistance, and prevent the legends from fading out.
K5 Max ISO Layout Versions
These versions include the UK, German, Swiss, French, Spanish, Italian, and Nordic layouts, all with extra keycaps suitable for Mac and Windows devices.
🇬🇧 UK-ISO Layout (PBT)
![UK-ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-uk-keycaps](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-UK-Keycaps_500x.jpg?v=1721656540)
🇩🇪 German DE-ISO Layout (PBT)
![German DE-ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-german-keycaps](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-German-Keycaps_500x.jpg?v=1721656556)
🇨🇭Swiss-ISO Layout (PBT)
![Swiss ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-swiss-keycaps](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-Swiss-Keycaps_500x.jpg?v=1721656573)
🇩🇰 🇫🇮 🇳🇴 🇸🇪 Nordic-ISO Layout (PBT)
![Nordic ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-nordic-keycaps](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-Nordic-Keycaps_500x.jpg?v=1721656590)
🇪🇸 Spanish-ISO Layout (ABS)
![Swiss ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-spanish-iso-layout.png__PID:b4ff32b2-e083-4c90-8ee1-ab4336239667](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/k5-max-spanish-iso-layout_500x.png?v=1721888294)
🇫🇷 French-ISO Layout (ABS)
![Nordic ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-french-iso-layout.png__PID:32b2e083-1c90-4ee1-ab43-362396676bfc](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/k5-max-french-iso-layout_500x.png?v=1721888319)
Italian-ISO Layout (ABS)
![Nordic ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-italian-iso-layout.png__PID:d1ff56fd-7ee5-4038-bcdd-ce79b1957eb6](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/k5-max-italian-iso-layout_500x.png?v=1721887225)
2.4 GHz & Bluetooth Connection
Experience unparalleled performance with the K5 Max's 2.4 GHz wireless connection, offering a swift 1000 Hz polling rate. Its Bluetooth 5.1 capability allows seamless switching between computer, phone, and tablet for smooth multitasking across three devices.
![Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-4](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-4_1200x.jpg?v=1721656624)
Ultra-Slim
The innovative low-profile Gateron switch is 31% slimmer than conventional normal profile switches makes the aluminum body K5 Max one of the thinnest wireless mechanical keyboards in the world. While still delivering a distinguished tactile response.
![Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout keychron-k1-max-wireless-mechanical-keyboard_low-profile](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/Keychron-K1-Max-wireless-mechanical-keyboard_Low-profile_1200x.jpg?v=1721656703)
![](https://cdn.shopify.com/s/files/1/0599/4977/7066/t/3/assets/pf-c4bbc56a--25358678-1642686826827_1200x.png?v=1642686828)
![launcher__PID:ee3d1338-5140-4586-933d-07740eae7fcd](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/Launcher_4935f47c-c02a-4d6f-ba09-24c4f92a15fa_1200x.png?v=1720171356)
Program with QMK & Launcher.
The open-source QMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customize each key with the Keychron Launcher web app.
![Program the K5 Max with QMK & Launcher k5_max_iso_launcher](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5_Max_ISO_Launcher_500x.png?v=1721656725)
* Please use the latest version of Chrome / Opera / Edge browser to open the Launcher and connect the keyboard to your device via wired mode.
![](https://cdn.shopify.com/s/files/1/0059/0630/1017/t/5/assets/pf-4235ef55--KeychronQ1QMKCustomMechanicalKeyboardVIA3_1200x.jpeg?v=1628593809)
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 Launcher 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 K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-page1](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-page1_0662574e-6c17-45cf-b168-474262f83191_1200x.jpg?v=1721656772)
![Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-3__PID:d54b2e63-1e55-4d01-b95c-df65c9788ff1](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-3_500x.jpg?v=1721656814)
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 K5 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 K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-2__PID:2e631e55-ed01-495c-9f65-c9788ff1440f](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-2_500x.jpg?v=1721656848)
Hot-swappable
You can customize your typing experience without soldering, pop them in and it's done.
We all have our unique typing preferences, that’s why we are offering hot-swappable option on the K5 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 K5 Max is currently compatible with Gateron / Keychron low-profile mechanical switches only, as QMK does NOT support low-profile optical switches.
![Hot-swappable Feature of Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k1-max-iso-hot-swappable](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K1-Max-ISO-Hot-swappable_1200x.jpg?v=1721656915)
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) or bumpy (brown).
![Gateron low profile Switch Features Gateron low profile Switch Features](https://cdn.shopify.com/s/files/1/0591/6318/1193/t/3/assets/features-of-k3-pro-iso-switches-1678502237890-1681469842790_1200x.jpg?v=1681469843)
Low-Profile Double-shot PBT Keycaps
Designed for premium type feeling, the K5 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.
![Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-6_1200x.jpg?v=1721656968)
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 k-max-iso-redesigned-stabilizers](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K-Max-ISO-Redesigned-Stabilizers_1200x.jpg?v=1721657070)
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.
![Ergonomic Support of Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout Ergonomic Support of Keychron K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K3-Max-Ergonomic_106d984b-d538-4bbf-82ea-08104f842eaf_1200x.jpg?v=1715345288)
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 K5 Max Full Size Layout QMK/VIA ultra-slim custom mechanical low profile keyboard ISO Layout k5-max-iso-package-list](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/K5-Max-ISO-Package-list_1200x.jpg?v=1721657137)
![Differenes among the low profile K Max, K Pro, and K Series keyboards Differenes among the low profile K Max, K Pro, and K Series keyboards](https://cdn.shopify.com/s/files/1/0591/6318/1193/files/differences-among-low-profile-K-Max-and-K-Pro-and-K-series-keyboards_d5e5fb15-7131-4580-9dd8-aa9981066aba_1200x.jpg?v=1715345420)
Frequently bought together
Select the matching variant for your product.
SPECIFICATION
Number of Keys: 109 (100%)
Switches: Gateron low-profile mechanical
Switch Face: North-facing
Number of Multimedia Keys: 12
Frame 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 K5 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: 2000 mAh rechargeable li-polymer battery
Wireless Working Time (Backlit off): Up to 110 hours (Lab test result may vary by actual use)
Wireless Working Time (RGB): Up to 70 hours (Lowest brightness)
Connection: 2.4 GHz / Bluetooth / Type-C wired
Bluetooth version: 5.1
Bluetooth Device Name: Keychron K5 Max
Compatible System: macOS / Windows / Linux
PHYSICAL UNIT
Dimension: 424 mm x 119 mm (16.69 x 4.69")
Weight: 720g / 1.59 lbs
Height without keycap (front): 7.8 mm (0.3")
Height without keycap (rear): 14.7 mm (0.58")
Height incl. keycap (front): 18.2 mm (0.72")
Height incl. keycap (rear): 23.5 mm (0.92")
Typing Angle: 3.37º, 4.36º and 6.56º
MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash)
Operating Environment: -10 to 50℃
Learn more about the Keychron K5 Max such as the shortcuts, VIA tutorial, factory reset, and more in the FAQ section.