Keychron J8 HE 8K Magnetic Switch Keyboard
Keychron J8 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.
Supports hot-swapping with Keychron Lime and Gateron Jade 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 J8 HE 8K versions.
Keychron J8 HE 8K
The Keychron J8 HE 8K is a wired magnetic switch keyboard with a 75% compact layout. Combine an 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, J8 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 Launcher
The Launcher web app makes it easy to remap keys, create macros, adjust lighting effects, and fine-tune advanced settings like actuation or polling rate. Take control and optimize your productivity like never before.

* Please use the latest version of Chrome / Opera / Edge browser to open the Launcher.
Significantly Enhanced Acoustic Foams
Elevate the typing experience with a combination of premium acoustic foams such as sound absorbing foam and the PET film. Each keystroke becomes enjoyable, making every tap a delight for the senses.

Hot-swappable
Unlike mechanical switches, which depend on physical contact, magnetic switches use magnets to detect key presses. It is effortless to swap out the switch with compatible magnetic switches.


An Epic Core Inside
Engineered with a powerful chip (MCU) with 1MB flash 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.
Keychron Ultra-Fast Lime Magnetic Switches
The Keychron J8 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. J8 HE 8K combines this with double-shot PBT technology to deliver a superior durability and long-lasting legends.

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.


Multi-function Knob
Take full command of your audio and lighting. Simply rotate to adjust the volume, or press FN + Knob to instantly turn the backlight on/off. You can also hold FN and rotate to fine-tune the brightness for the perfect desk ambiance. It’s seamless control at your fingertips.
Effortlessly Switch Between Windows & Mac Systems
Easily press FN + Caps Lock for three seconds to switch to different system as you like. The J8 HE 8K comes with an additional set of customized keycaps for both Windows and macOS systems. You can now save two different layouts on the keyboard, one for each system.


Ergonomic Support
Three levels of adjustable typing angle (4/8/10 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 | 148.25 mm |
|---|---|
| Length | 328.79 mm |
| Front Height | 21.67 mm (without keycaps) |
| Back Height | 30.34 mm (without keycaps) |
| Angle | 4/8/10 degree |
| Feet Height | 1.2 mm |
| Weight | 956g±10g |
| Body Material | Plastic |
| Polling Rate | 8000 Hz |
| Mount Style | Gasket |
| Keycaps | Cherry Profile Double-shot PBT keycaps |
| Switches | |
|---|---|
| MCU | 1 MB |
| Backlight | North-facing RGB LED |
| Switch Support | Yes |
| Stabs | Plate-mounted Stabilizer |
| Connectivity | Type-C |
| Cable | Type-A to Type-C cable |
| Compatible System | Windows / macOS / 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 J8 HE 8K such as the shortcuts, Launcher web app tutorial, factory reset, and more in the FAQ section.


