Keychron K3 Ultra 8K Wireless Custom Mechanical Keyboard

Experience the K3 Ultra 8K: a premium 75% low-profile wireless keyboard blending natural wood with a metal frame. Features a pro-grade 8K polling rate, tri-mode connectivity, and ZMK firmware for ultimate customization and performance.

Key specs

Layout: 75%

Connectivity: 2.4 GHz, Bluetooth, wired; 8000 Hz polling rate

Switches: Keychron Milk POM Red / Brown / Banana; hot-swappable

Build: Aluminum + Wood, Anodized Aluminum Alloy plate

Keycaps: LSA double-shot PBT keycaps, non-shine-through

Battery: 2600 mAh, up to 550 hours

Software: ZMK firmware; Keychron Launcher web app for key remapping and macros; works with macOS, Windows, Linux

Backlight: North-facing RGB LED

Weight: 566 g ± 10 g

Dimensions: 320.62 x 126.00 mm

N-key rollover: Yes (wireless & wired)

Product details

Keychron K3 Ultra 8K is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows users to customize any key or macro command on its 75% compact layout through the Keychron Launcher web app.  Powered by ZMK firmware, it enables an 8K polling rate in wireless mode while delivering up to 550 hours of battery life. In addition, it includes LSA (low-profile spherical-angled) keycaps and is fully compatible with Windows, macOS, and Linux.