Keychron K4 QMK Wireless Mechanical Keyboard (Version 3) (US ANSI Layout)

SKU: K4X-A1
$ 1,642.00

Version
Switch Type
Swich Option

Keychron K4 QMK Wireless Mechanical Keyboard (Version 3) allows anyone to master any keyboard keys or macro commands through Keychron Launcher web app, it has included keycaps for both Windows and macOS, and users can hot-swap with any MX mechanical switch in a breeze.

No discount code can be used for the K4 Version 3.

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Keychron K4

Version 3

A 96% layout QMK wireless custom mechanical keyboard

Keychron K4 Version 3 QMK Wireless Mechanical Keyboard
Features of Keychron K4 V3

Wireless and Wired

An excellent solution for multitasking. You can connect the K4 Version 3 with up to 3 devices wirelessly via its stable Broadcom Bluetooth 5.2 for seamless multitasking across your laptop, phone, and tablet. Switch among them swiftly, and it’s fully compatible with both Mac and Windows.

A reliable USB Type-C wired connection is also available when you need it.

Keychron K8 Version 2 QMK Wireless Mechanical Keyboard
Program with QMK & Launcher
Program with QMK & Launcher

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 K4 Version 3 keyboard with Launcher
Click here to use Keychron Launcher

* Please use the latest version of Chrome / Opera / Edge browser to open the Launcher and connect the keyboard to your device via wired mode.

Anytime, Anywhere Access

Keychron Launcher is a web page configurator that you can use in the office, school, lab, or government department—anywhere with internet access. Configure your keyboard online anytime without the need to download or install files. No hassle, no trouble.

Compatible with All Platforms

As a web-based tool, Keychron Launcher supports all operating systems. Personalize and program your keyboard on Windows, macOS, Linux, and more. Enjoy unprecedented flexibility with compatibility across Chrome, Edge, and Opera browser.

Safe Inputs

You type your password, contact, home address, and other sensitive privacy information on keyboards every day. Our keyboards use QMK open-source firmware, allowing the community to review the codes for safety and ensuring no hidden features, so you have complete control over your input security.

Always Up to Date

Keychron Launcher is continuously updated, ensuring you always have access to the lastest version. There's no need to download updates or wait for installations.

Enhanced Acoustic Foams

The K4 Version 3 has been re-engineered and redesigned from the inside out to upgrade the typing experience. The added sound absorbing foam, advanced IXPE acoustic foam, resilient EPDM foam and PET foam provide responsive feedback and a peaceful typing sound, while added weight will enhance the stability.

- Detailed structure of Keychron K4 Version 3
Structure of Keychron K8 Max QMK 80% layout Wireless Mechanical Keyboard

Wireless Connection

An excellent solution for multitasking. Connects the K8 Version 2 with up to 3 devices wirelessly via its stable Broadcom Bluetooth 5.2 for seamless multitasking across your laptop, phone, and tablet. Switch among them swiftly, and it’s fully compatible with both Mac and Windows.

Keychron K8 Version 2 QMK Wireless Mechanical Keyboard
An Epic Core of Keychron K4 Version 3 keyboard

An Epic Core Inside

A powerful low-power ARM architecture MCU equipped with 256KB Flash will provide more flexibility for developers. The polling rate is 1000 Hz out of the box, which makes latency non-existent for the competitive game.

Suitable For All Devices

Offers a Mac layout while still being compatible with Windows, the K4 Version 3 is one of the few on the market that has the same multimedia and function keys as Apple keyboards for Mac users, but with more tactile feedback.

You can even configure different keymaps for both Mac and Windows devices. While Keychron Launcher web app is compatible with macOS, Windows, and Linux. Includes keycaps for both macOS and Windows to allow you to switch between operating systems with ease.

KeychronK4 Version 3 keyboard OS Toggle

Hot-Swappable (Optional)

We also provide a hot-swappable version for your choice, which means you can customize your typing experience without soldering, pop them in and it's done.
Every detail matters, so we make the K4 Version 3 hot-swappable for your personalized typing experience. The hot-swappable sockets are mounted on the PCB, so you can hot-swap every switch on the K4 Version 3 with almost all of the 3pin and 5pin MX style mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering. You can customize your own typing experience in seconds.

Keychron K4 Version 3 Hot-swappable Feature

Keychron Super Switch

The Keychron Super Switch is built to last with a lifespan of 50 million clicks and provides great reliability and high performance for fast typing and competitive gaming. It offers red, brown, and banana options to match different users' preferences. Every switch is tested for pro-grade quality.
Plus, the factory pre-lubed process on all the super switches. There is no doubt that this will ensure the best smoothness at your fingertips when typing.

Keychron Super Switch features

Cherry Profile Double-shot PBT Keycaps

To further fine-tune your typing experience, the K4 Version 3 comes with our cherry profile and double-shot PBT keycaps that aim to provide a more comfortable fingertip feel with excellent oil resistance for long-term use on the full-size layout.

Keychron K4 Version 3 Cherry Profile Double-shot PBT keycaps

North-facing RGB Lights

Shine-through keycaps create a brilliant backlight effect, available in both RGB and white backlight versions. 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 K4 Version 3 Ergonomic Support with Adjustable TypingFeet and Angle

Ergonomic Support

Three levels of adjustable typing angle (5º, 8º & 11º) and curved Cherry-profile keycaps are all working together to provide long-lasting ergonomic support for your wrist.

What's in the box?

K4 V3 QMK Wireless Mechanical Keyboard
K8 V2 QMK Wireless Mechanical Keyboard

Frequently bought together (Add-on)

Please select the matching variant for your product.

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

Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set
Double Shot ABS Full Set Keycap Set

Double Shot ABS Full Set Keycap Set

Gateron G Pro Switch Red
Gateron G Pro Switch Set
Gateron G Pro mechanical red switch
Gateron G Pro Switch Blue
Gateron G Pro Switch Set
Gateron G Pro mechanical blue switch
Gateron G Pro Switch Brown
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Yellow
Gateron G Pro Switch Set
Gateron G Pro mechanical yellow switch
Gateron G Pro Switch White
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Black Two Stage Spring
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Silver Two Stage Spring
Gateron G Pro Green Switch
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Thumbnail Keychron Gateron Mechanical Switch
Gateron G Pro Switch Red
Gateron G Pro Switch Set
Gateron G Pro mechanical red switch
Gateron G Pro Switch Blue
Gateron G Pro Switch Set
Gateron G Pro mechanical blue switch
Gateron G Pro Switch Brown
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Yellow
Gateron G Pro Switch Set
Gateron G Pro mechanical yellow switch
Gateron G Pro Switch White
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Black Two Stage Spring
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Gateron G Pro Switch Silver Two Stage Spring
Gateron G Pro Green Switch
Gateron G Pro Switch Set
Gateron G Pro Switch Set
Thumbnail Keychron Gateron Mechanical Switch

Gateron G Pro Switch Set

Gateron Cap V2 Switch Golden Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Golden Yellow
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Milky Yellow
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Milky Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Brown
Gateron Cap Switches Version 2 Red
Gateron Cap V2 Switch Set
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Blue
Gateron Cap V2 Switch Set
The Gateron Cap Switches are engineered to build a mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K6 & K8 Wireless mechanical keyboard.
Gateron Cap V2 Switch Set
Gateron Cap V2 Switch Golden Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Golden Yellow
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Milky Yellow
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Milky Brown
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Brown
Gateron Cap Switches Version 2 Red
Gateron Cap V2 Switch Set
Gateron Cap V2 Switch Set
Gateron Cap Switches Version 2 Blue
Gateron Cap V2 Switch Set
The Gateron Cap Switches are engineered to build a mechanical keyboard with its smooth and tactile typing experience. It's fully compatible with our K6 & K8 Wireless mechanical keyboard.
Gateron Cap V2 Switch Set

Gateron Cap V2 Switch Set

Cherry MX Switch Set
Cherry Red Switches
Cherry MX Switch Set
Cherry Blue Switches
Cherry MX Switch Set
Cherry Brown Switches
Cherry MX Switch Set
Cherry RGB Blue Switches
Cherry RGB Brown Switch
Cherry RGB Brown Switches
Cherry RGB Silver Switch
Cherry RGB Silver Switches
Cherry MX Switch Set
Cherry RGB Red Switches
Cherry MX Switch Set
Cherry Red Switches
Cherry MX Switch Set
Cherry Blue Switches
Cherry MX Switch Set
Cherry Brown Switches
Cherry MX Switch Set
Cherry RGB Blue Switches
Cherry RGB Brown Switch
Cherry RGB Brown Switches
Cherry RGB Silver Switch
Cherry RGB Silver Switches
Cherry MX Switch Set
Cherry RGB Red Switches

Cherry MX Switch Set

Gateron Ink V2 Switch Red
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Blue
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Yellow
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Black
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Red
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Blue
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Yellow
Gateron Ink V2 Switch Set
Gateron Ink V2 Switch Black
Gateron Ink V2 Switch Set

Gateron Ink V2 Switch Set

Kailh Switch Red
Kailh Switch Set
Kailh Switch Blue
Kailh Switch Set
Kailh Switch Brown
Kailh Switch Set
Kailh Switch Red
Kailh Switch Set
Kailh Switch Blue
Kailh Switch Set
Kailh Switch Brown
Kailh Switch Set

Kailh Switch Set

Gateron Switch Puller Red
Gateron Switch Puller Blue
Gateron Switch Puller-Black
Gateron Switch Puller-Silvery
Gateron Switch Puller
Gateron Switch Puller Red
Gateron Switch Puller Blue
Gateron Switch Puller-Black
Gateron Switch Puller-Silvery
Gateron Switch Puller

Gateron Switch Puller (Version 2)

SPECIFICATION

Number of Keys: 100 (96%)
Switches: Keychron Super Mechanical
Switch Face: North-facing Stabilizers: Plate-mounted stabilizers
Number of Multimedia Keys: 12
Frame Material: ABS/ ABS+Aluminum frame
Plate Material: Aluminum
Keycap Material: Double-shot PBT
Keycap Profile: Cherry
Layout: ANSI
Polling Rate (Wired Mode): 1000Hz Polling Rate (BT Mode): 125Hz
N-Key Rollover (NKRO): Yes for both wireless and wired modes

CONNECTIVITY AND POWER

Backlit: 22 types of RGB backlight options plus endless possibilities
Battery: 4000 mAh rechargeable li-polymer battery
BT Working Time (Backlit off): Around 190 hours (Lab test result may vary by actual use)
BT Working Time (RGB): Around 100 hours (Lowest brightness)
Connection: Bluetooth and Type-C cable
Bluetooth version: 5.2 Bluetooth Device Name: Keychron K4 Version 3
Compatible System: macOS/Windows/Linux

PHYSICAL UNIT

Dimension (Plastic frame version): 368.14 x 121.14 mm (14.49 x 4.77")
Weight: About 813 g / 1.79 lbs
Dimension (Aluminum frame version): 373.2 x 126.2 mm (14.69 x 4.97")
Weight: About 970.8 g/2.14 lbs
Height without keycap (front): 22.54 mm (0.89")
Height without keycap (rear): 30.88 mm (1.22")
Height incl. keycap (front): 30.83 mm (1.21")
Height incl. keycap (rear): 40.25 mm (1.58")
Typing Angle: 5º, 8º and 11º
MCU: Low-power ARM Cortex-M3 32-bit WB32F3G71 (256KB Flash)
Operating Environment: -10 to 50℃

Keychron K4 Version 3 User Guide

Learn more about the Keychron K8 QMK Version 2 such as the shortcuts, Launcher web app tutorial, factory reset, and more in the FAQ section.

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