Specifications
- Layout: 100%
- Connectivity: 2.4 GHz, Bluetooth, wired; 8000 Hz polling rate
- Switches: Keychron Milk POM Switch 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 370 hours
- Software: Keychron Launcher remapping; works with macOS, Windows, Linux
- Backlight: North-facing RGB LED
- Weight: 720 g ± 10 g
- Dimensions: 436.6 x 128.29 mm
- N-key rollover: Yes (wireless & wired)
Product details
Ultra-Slim. Full-Size. Wireless 8K.
The Keychron K5 Ultra 8K combines a full-size low-profile layout, ultra-low-latency 2.4 GHz wireless performance, and up to 370 hours of battery life. Customize every key, macro, and the knob with Keychron Launcher, powered by open-source ZMK firmware.
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 Connection
• 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
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.
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.
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.
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.
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.
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.