Keychron K8 Ultra 8K Wireless Custom Mechanical Keyboard

SKU: KEYC-K8U-J3

$259.90

Type

Fully Assembled

Color

Black

Switch Type

Keychron Apex Switch - Red Keychron Apex Switch - Brown Keychron Apex Switch - Banana

Keychron K8 Ultra is a wireless custom mechanical keyboard featuring a premium full-metal frame. It supports 2.4 GHz wireless, Bluetooth, and wired connections. Through the Keychron Launcher web app, you can remap any key and create macros on its compact TKL layout. Powered by ZMK firmware, it delivers an 8K polling rate in wireless mode while offering up to 760 hours of battery life (with the backlight off). It is also fully compatible with Windows, macOS, and Linux.

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.

TKL Layout

Hot-Swappable

Mechanical Apex Switch

8000 Hz Polling Rate

Mac & Windows

Long-lasting Battery

ZMK & Web Launcher

COLOR

Minimalist Style

Precision

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.

Learn how to switch your keyboard to 8000 Hz polling rate

Worry-Free Power

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.

Powerful ARM Core

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.

Design

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.

Layout

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.

Switch

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.

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Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-switch-5__kc_full_375da1ef02.png

Customize

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.

Elevated Typing Experience

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

Customize Every Part

To build a fully customizable keyboard, we designed every component to be easy to assemble. Therefore, you can customize and adjust each component as you wish.

Keycaps

The OSA double-Shot PBT keycaps provide excellent oil resistance while preventing the legends from fading over time.

Aluminum Frame

The solid aluminum frame delivers a refined balance of precision, rigidity, and modern aesthetics, offering a distinctly premium look and feel.

Switches

Switches are the core mechanical components; different types (linear/tactile) offer unique feel and sound.

Plate

The steel plate in a keyboard secures switches in place, provides structural support, and influences typing feel and sound.

EVA Foam

The EVA foam can help dampen echo and unwanted noise when typing, providing a clean sound.

IXPE Foam

Placed between switches and PCB, the IXPE foam helps reduce keystroke vibration and optimize typing sound.

PCB

The circuit board that registers keystrokes; a hot-swappable design allows easy switch changes.

EPDM Foam

This soft foam helps reduce vibration and noise and provides a cushioned typing feel.

Silicone Bottom Pad

Anti-slip silicone pad that enhances stability, reduces vibration, and protects surfaces from scratches for a more comfortable user experience.

Bottom Case

A solid, premium ABS bottom case for a quieter, vibration-free typing experience.

Keycaps

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.

Customize

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.

LAUNCHER WEB APP

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.

Keymap

Backlight

Macro

Firmware

Backlight

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.

RGB Backlight

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.

Learn how to set Per-key RGB on Launcher

Customize

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.

Learn how to set Mix RGB on Launcher