Keychron - K5 Ultra 8k Wireless Low-Profile Mechanical Keyboard

KEYCHRON K5 ULTRA 8K

The K5 Ultra 8K is a low-profile wireless mechanical keyboard with a sleek 100% full-size layout and integrated knob. Featuring a premium natural wood and metal frame, it delivers an ultra-fast 8K polling rate in both wired and wireless modes for exceptionally responsive performance. It supports Bluetooth, wired, and ultra-low-latency 2.4 GHz connectivity. Empowered by open-source ZMK firmware, the K5 Ultra 8K unlocks endless customization possibilities while delivering up to 370 hours of battery life for enhanced productivity in both work and gaming.

2.4 GHz, Bluetooth, and Wired Connectivity

• 2.4 GHz wireless: 8000 Hz polling rate for ultra-responsive gaming
• Bluetooth 5.2: Pair with up to 3 devices
• Wired Type-C: Stable performance while charging

370 Hours of Use on a Single Charge

Don't wait for a full charge—use it even while charging and enjoy uninterrupted performance with an impressive battery life of up to 370 hours in wireless 8K mode with the backlight off.

Wood Meets Metal

The K5 Ultra 8K blends warm natural wood accents with a slim, precision-built low-profile body, creating a refined look that feels modern, minimal, and performance-ready. The contrast of warm wood texture and sleek metal craftsmanship delivers a premium balance of natural beauty and modern performance.

Ultra-Slim, Full-Size Comfort

With an 11.9 mm low-profile switch and a 20.0 mm front edge, the K5 Ultra 8K keeps a full-size layout in a slim, comfortable profile—ideal for long typing sessions and clean desk setups.

Keychron Milk POM Switch

Crafted with advanced self-lubricating POM and POK 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, it delivers a deeper, more resonant thock in a low-profile design, it offers a refined and reliable typing experience across linear Red and tactile Brown or Banana switch options.

Hot-swappable

Since everyone has unique typing preferences, the K5 Ultra features a hot-swappable design. You can easily swap out every Keychron Milk POM switch in seconds to customize your experience—no soldering required.

Intuitive Control At Your Fingertips

Designed to enhance your workflow, the aluminum rotary encoder 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.

An Epic Core Inside

A powerful ARM-architecture MCU equipped with 1 MB of flash provides more flexibility for developers. The polling rate is 8000 Hz in 2.4 GHz and wired modes right out of the box, making latency hardly noticeable, even in competitive games.

Interior Acoustic Foam

The K5 Ultra 8K features a carefully engineered acoustic structure with IXPE acoustic foam, EPDM foam, PET film, and bottom case 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 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.

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.

Low-Profile Double-Shot PBT Keycaps

Designed for a premium typing feel, the K5 Ultra 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.

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.No software download required. Open Keychron Launcher in a supported browser, connect the keyboard with a cable, and start customizing instantly.

Unlock Dynamic Backlit Control

Choose from 22+ lighting effects, set a static white backlight, or customize lighting by key and zone with Per-key RGB and Mix RGB in Keychron Launcher.

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.