Keychron C4 HE 8K Magnetic Switch Keyboard
Keychron C4 HE 8K Magnetic Switch Keyboard - Fully Assembled / Black / Keychron Ultra-fast Lime Magnetic Switch is backordered and will ship as soon as it is back in stock.
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The Fully Assembled version includes:
- The keyboard PCB, the plate, the case, and the foams.
- Keycaps (including Mac & Windows keycaps).
- Adjustable-actuation-point Keychron Ultra-fast Lime Magnetic Switch.
The C4 HE 8K is compatible exclusively with the Keychron Ultra-fast Lime Magnetic Switch. It does not support other magnetic switches, such as the Gateron Magnetic Jade or Gateron KS-20 Magnetic switches.
Please drop your email on "Notify Me When Available" if the product model is out of stock.
No discount codes can be used for C4 HE 8K version.
Keychron C4 HE 8K
The Keychron C4 HE 8K is a wired magnetic switch keyboard with a full size layout. Combine 8000 Hz polling rate with Keychron Ultra-Fast Lime Magnetic switch, it delivers a faster and precise experience. Configurable through the Keychron Launcher web app, it offers endless possibilities and enhanced productivity in your work and gaming!

8000 Hz Polling Rate Keyboard
The 8000 Hz polling rate can result in a high-speed signal transmittance between the keyboard and the connected device. Ideal for competitive gaming and high-performance typing, C4 HE 8K minimizes input lag, ensuring every keystroke registers instantly. Dominate the competition when split seconds decide victory! Easily switch among 1000 Hz / 4000 Hz / 8000 Hz polling rates with our Launcher web app.




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.

* Please use the latest version of Chrome / Opera / Edge browser to open the Launcher.
Significantly Enhanced Acoustic Foams
Elevate your typing with C4 HE 8K featuring advanced EVA acoustic foam for enhanced comfort. The steel plate provide responsive feedback and a peaceful typing sound, while added weight will enhance the stability.


Hot-swappable
Unlike mechanical switches, which depend on physical contact, Hall Effect magnetic switches use magnets to detect key presses. It is effortless to swap out the switch with compatible Hall Effect magnetic switches.
*The C4 HE 8K currently doesn't compatible with Gateron, Jade or other magnetic switches.


An Epic Core Inside
Engineered with a powerful chip (MCU) and QMK open-source firmware to provide more flexibility for developers. The polling rate is 8000 Hz out of the box in Type-C wired mode, which greatly helps when competitively gaming.
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 for a personalized typing experience, that’s why we give you the power. You can hot-swap every switch on the K8 Max 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 Ultra-Fast Lime Magnetic Switches
The Keychron C4 HE 8K comes with pre-lubed Keychron Ultra-Fast Lime Magnetic Switches for an ultra-stable and ultra-responsive typing experience with an industry-leading, lightning-fast response time, and precise control over the way your keyboard feels and responds.
Made from POM material, it delivers an incredibly satisfying, soft, and thicky typing sound, enhancing every keystroke for a more enjoyable typing experience.

Cherry Profile Double-shot PBT Keycaps
The ergonomically sculpted shape of Cherry keycaps helps your fingers naturally find the right keys, offering quieter, more muted sound and reduced typing fatigue over long sessions. C4 HE 8K combines this with double-shot PBT technology to deliver a superior durability and long-lasting legends.

Screw-In PCB Stabilizers
Even small part matters for your fingertip feel. We’ve integrated the PCB-mounted screw-in stabilizers for a smoother typing experience with less wobbliness on the big keys such as space bar, shift, enter, and delete. The Keychron K8 Max also supports third-party screw-in PCB stabilizers.

North-facing RGB Backlights
Choose between 22+ backlight modes, and tune the hue, saturation, brightness, and effect speeds right inside the Keychron Launcher web app. Match your style and create an atmosphere that’s uniquely yours.

Ergonomic Support
Three levels of adjustable typing angle (4/6/8.7 degree) and cherry profile keycaps are all working together to provide long-lasting ergonomic support for your wrist.
What's in the box?

What's in the box?





Specs
| Width | 445.62 mm |
|---|---|
| Length | 137.75 mm |
| Front Height | 21.08 mm (without keycaps) |
| Back Height | 30.05 mm (without keycaps) |
| Angle | 4/6/8.7 degree |
| Feet Height | 1.3 mm (without keycaps) |
| Weight | 970g±10g |
| Body Material | Plastic |
| Polling Rate | 8000 Hz |
| Mount Style | Gasket |
| Keycaps | Cherry Profile Double-shot PBT keycaps |
| Switches | Keychron Ultra-fast Lime Magnetic Switch |
|---|---|
| MCU | HPM5321ICB1 |
| Backlight | North-facing RGB LED |
| Switch Support | Yes, compatible with Keychron Ultra-fast Lime Magnetic Switch only. |
| Stabs | Plate-mounted Stabilizer |
| Connectivity | Type-C |
| Cable | Type-C cable + Type-A to Type-C adapter |
| Compatible System | macOS / Windows / Linux |
| Operating Environment | -10℃ to 50℃ |
SPECIFICATION
Number of Keys: 84 (100%)
Switches: Keychron Ultra-fast Lime
Switch Face: North-facing
Number of Multimedia Keys: 12
Frame Material: ABS
Keycap Material: Double-shot PBT
Keycap Profile: Cherry
Layout: ANSI
Polling Rate (Wired Mode): 8000Hz
N-Key Rollover (NKRO): Yes for both wireless and wired modes
Backlight: 22 types of RGB backlight options plus endless possibilities
CONNECTIVITY AND POWER
Backlit: 22 types of RGB backlight options plus endless possib
Connection: Type-C wired
Compatible System: macOS / Windows / Linux
PHYSICAL UNIT
Dimension: 381.88 x 169.29mm (15.04 x 6.66")
Weight: 1125 g / 2.48 lbs
Height incl. keycap (front): 32.2 mm (1.27")
Height incl. keycap (rear): 40.2 mm (1.58")
Typing Angle: 2.37º and 5.33º
MCU: ARM Cortex-M4 32-bit STM32F402 (256KB Flash)
Operating Environment: -10 to 50℃
Learn more about the Keychron C4 HE 8K such as the shortcuts, Launcher web app tutorial, factory reset, and more in the FAQ section.


