Keychron - K8 Ultra 8k Wireless Mechanical Keyboard

KEYCHRON K8 ULTRA 8K
The K8 Ultra 8K is a wireless mechanical keyboard with a sleek 80% TKL layout. It delivers an ultra-responsive experience with an 8000 Hz polling rate in both wired and wireless modes. Supporting Bluetooth, wired, and ultra-low-latency 2.4 GHz connectivity, it adapts seamlessly to any setup. Powered by the open-source ZMK firmware, it unlocks endless customization possibilities while delivering up to 760 hours of battery life for enhanced performance in both work and gaming.

2.4 GHz, Bluetooth, and Wired Connectivity
Unlock the power of an 8000 Hz polling rate in both wired and 2.4 GHz modes, delivering ultra-responsive, pro-grade precision built for competitive gaming. With Bluetooth 5.2, seamlessly switch between up to three devices for effortless multitasking. From lightning-fast performance to ultimate wireless convenience, the K8 Ultra 8K delivers it all.


Up to 760 Hours of Use on a Single Charge
Don't wait for a full charge—use it even while charging and enjoy an impressive battery life of up to 760 hours in wireless 8K mode with the backlight off.
An Epic Core Inside
Inside the K8 Ultra 8K lies a powerful MCU with 1 MB flash, delivering unmatched flexibility for deep customization and advanced functionality. It achieves an ultra-responsive 8K polling rate, ensuring every keystroke is registered with near-zero latency and exceptional accuracy for the most demanding gaming and professional tasks.

From Productivity to Play, Instantly
The K8 Ultra 8K transitions effortlessly between work and play. During the day, its 80% TKL layout and comfortable typing experience help you stay productive through coding, writing, and focused tasks. When it's time to unwind, the 8000 Hz polling rate and ultra-low-latency wireless connection provide the speed and precision needed for smooth gameplay. One keyboard, built for every part of your day.

TKL Layout
The TKL layout removes the number pad to free up valuable desk space, giving your mouse more room to move. Ideal for gaming and everyday use, it delivers a cleaner setup without sacrificing essential keys.

Keychron Apex Switch
The K8 Ultra 8K comes with pre-lubed Keychron Apex Switches, crafted for gamers and typists who demand precision, durability, and a refined typing experience. The switch stem features a reinforced wall structure that enhances stability for smoother, wobble-free keystrokes and helps prevent dust and moisture from entering the switch housing for long-lasting performance.


Hot-swappable
Since everyone has unique typing preferences, the K8 Ultra features a Hot-Swappable switch design, allowing you to easily swap out switches in seconds and customize your experience—no soldering required.


Double-Shot PBT Keycaps
Designed for a premium typing experience, the K8 Ultra features Double-Shot PBT keycaps made from durable, non–shine-through PBT material. With excellent oil resistance, they are built to maintain a clean, refined look for long-term use.
Suitable For All Devices
The K8 Ultra 8K is designed for seamless compatibility across macOS and Windows. Easily switch between operating systems with the included Mac and Windows keycaps, ensuring a familiar and intuitive typing experience on every device.

Interior Acoustic Foam
Elevate your typing with the K8 Ultra 8K, featuring advanced IXPE acoustic foam for quieter keystrokes and enhanced comfort, along with resilient EPDM foam for improved key switch support, responsiveness, and durability. This keyboard redefines the standard for a quiet, comfortable, and highly responsive typing experience.

Customize Every Part
To build a fully customizable keyboard, we designed every component to be easy to assemble, so you can customize and adjust each component to your preference.

Program with ZMK & Launcher
The open-source ZMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customize each key with the Keychron Launcher web app.

Unlock Dynamic Backlit Control
Go beyond standard presets with 22+ RGB backlight settings — including a static white option. Our advanced lighting engine includes two powerful features to fuel your creativity: Per-key RGB and Mix RGB. You can further fine-tune and remap keys with ease, crafting your unique style with vivid, dynamic RGB control.

Per-key RGB
With Per-key RGB, every single key is a digital brushstroke. This feature lets you individually customize the color of each key, transforming your keyboard into a vibrant canvas.
Mix RGB
With Mix RGB, you can split your keyboard into two custom lighting zones, each with unique effects. Design high-contrast combinations to make your entire setup pop with vibrant style.


Specification
| Layout | Compact TKL |
|---|---|
| Connectivity | 2.4 GHz / Bluetooth 5.2 / Type-C Wired |
| Polling Rate | 8000 Hz / 2000 Hz / 1000 Hz (8K supported in wireless mode) |
| Switch Type | Keychron Apex Switch |
| Hot-Swappable | Yes |
| Keycaps | OSA Double-Shot PBT Keycaps |
| Firmware | ZMK Firmware |
| Configuration Software | Keychron Launcher web app (for custom key mapping and macros) |
| N-Key Rollover (NKRO) | Yes (wireless and wired) |
| Backlight | South-facing RGB LED |
| Body Material | CNC Aluminum+ABS (premium full-metal frame) |
| Bottom Case Material | ABS Plastic |
| Plate Material | Steel |
| Stabilizer | Screw-in PCB Stabilizer |
| MCU | 1MB |
| Battery | 4000 mAh Rechargeable Lithium Polymer Battery |
| Wireless Working Time |
• Up to 760 hours (8K, Backlit off) • Up to 230 hours (8K, RGB, lowest brightness) |
| Compatible System | macOS / Windows / Linux |
| Bluetooth Device Name | Keychron K8 Ultra 8K |
| Size | 359.2 x 129.2 mm |
| Front Height | 25.55 mm (without keycaps) |
| Back Height | 31.28 mm (without keycaps) |
| Feet Height | 1.5 mm |
| Weight | 1299g ± 10g |
| Operating Environment | -10 to 50 °C |
| Warranty | 1 Year |
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