Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard
Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard - Fully Assembled / Black / Keychron Milk POM Switch - Red is backordered and will ship as soon as it is back in stock.
Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard - Fully Assembled / Black / Keychron Milk POM Switch - Red is backordered and will ship as soon as it is back in stock.
Ultra Series
KEYCHRON K1 ULTRA 8K
The K1 Ultra 8K is a low-profile wireless mechanical keyboard featuring a sleek TKL layout, premium natural wood accents, and a durable metal frame. Delivering an ultra-fast 8K polling rate in both wired and wireless modes, it ensures lightning-fast response and exceptional performance. With Bluetooth, wired, and ultra-low-latency 2.4 GHz connectivity, it adapts effortlessly to any setup. Powered by open-source ZMK firmware, the K1 Ultra 8K unlocks extensive customization, while up to 490 hours of battery life keep you working longer between charges.
Essence
COLOR
Minimalist Style
Flexibility
Tri-Mode Connectivity
Learn how to switch your keyboard to 8000 Hz polling rate
Worry-Free Power
490 Hours of Use on a Single Charge
Powered by a 2600 mAh battery, optimized firmware, and an enhanced circuit design, the K1 Ultra 8K delivers up to 490 hours of use at an 8000 Hz polling rate with the backlight off, redefining what wireless performance can achieve.
Elegant Aesthetic
Wood Meets Metal
The K1 Ultra 8K combines the natural elegance of wood with a precision metal frame, creating a look that feels both refined and powerful. The contrast of warm wood texture and sleek metal craftsmanship delivers a premium balance of natural beauty and modern performance.
Profile
Slim without Compromise
With an 11.9 mm low-profile switch, a 20.0 mm slim front edge, and a compact TKL layout, the K1 Ultra 8K delivers a slim, ergonomic typing experience with shorter key travel for comfortable long-hour typing while saving desk space.
Switch
Keychron Milk POM Switch
Crafted with advanced self-lubricating POM materials, the Keychron Milk POM Switch delivers an impressively smooth feel right out of the box and becomes even smoother over time with every keystroke. Pre-lubed for added consistency and paired with a deeper, more resonant thock in a low-profile design, it offers a refined and reliable typing experience across linear Red, tactile Brown, and tactile Banana switch options.
Customize
Hot-Swappable
Since everyone has unique typing preferences, the K1 Ultra 8K features a hot-swappable design. You can easily swap out every Keychron Milk POM switch in seconds to customize your experience—no soldering required.
Customize
Multi-Function Knob
Designed to enhance your workflow, the rotary knob provides smooth and precise volume control by default. With Keychron Launcher, you can customize the knob to your preferred commands, such as adjusting screen brightness, zooming in/out, changing brush size, controlling media, or managing backlight settings.
Powerful ARM Core
An Epic Core Inside
Inside the K1 Ultra 8K lies a powerful MCU with 1 MB of 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.
Elevated Typing Experience
Interior Acoustic Foam
The K1 Ultra 8K features a carefully engineered acoustic structure with IXPE foam, EPDM foam, PET film, and bottom case acoustic foam. Working together, these premium materials effectively reduce unwanted resonance and vibrations, delivering a cleaner, more refined typing sound and a more satisfying typing experience.
Customize
Customize Every Part
To build a fully customizable keyboard, we made every component easy to assemble, adjust, and personalize.
Keycaps
The double-shot PBT keycaps offer excellent oil resistance and long-lasting durability, with legends that stay clear and vibrant over time.
Wood & Metal Frame
The K1 Ultra 8K pairs natural wood with a precision metal frame, balancing natural elegance with modern, high-performance craftsmanship.
Switches
Switches are the core mechanical components; different types (linear/tactile) offer unique feels and sounds.
Plate
The anodized aluminum plate in the keyboard secures switches in place, provides structural support, and influences typing feel and sound.
IXPE Foam
The IXPE foam effectively dampens keystroke vibrations, delivering a more stable typing experience with optimized acoustic feedback.
PET Film
The PET film serves as a protective barrier, offering reliable electrical insulation and preventing dust ingress to safeguard the internal components.
PCB
The circuit board registers keystrokes, and its hot-swappable design enables easy switch replacements.
Bottom Case Acoustic Foam
The bottom case acoustic foam effectively dampens vibrations and minimizes hollow sounds, providing a softer, more cushioned typing experience.
EPDM Foam
This soft foam helps reduce vibration and noise and provides a cushioned typing feel.
Bottom Case
A solid, premium ABS bottom case for a quieter, vibration-free typing experience.
Customize
Suitable for All Devices
Designed for seamless compatibility across macOS and Windows. Easily switch between operating systems with the included Mac and Windows keycaps for a familiar typing experience on every device.
Keycaps
Low-Profile Double-Shot PBT Keycaps
Designed for a premium typing feel, the K1 Ultra 8K features our unique double-shot PBT keycaps. They are made of durable, non-shine-through PBT material with excellent oil resistance for long-term use.
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. With its built-in AI assistant (live in beta now), keyboard customization is no longer complicated — just ask in plain language, and AI handles the rest.
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
Guide
What's in the Box?
Guide
Low-Profile Series Differences
K Ultra
K Max
K Pro
Precision
Specs
125 Hz (Bluetooth)
Need Help Choosing?
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