Keychron
Keychron K8 Ultra 8K Wireless Custom Mechanical Keyboard

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.
Last Updated: September 7, 2026
Specifications
Physical Specifications
- Layout
- TKL (80%)
- Key Count
- 87
- Width
- 359.2mm
- Depth
- 129.2mm
- Height
- 31.28mm
- Weight
- 1.30kg
Mount Type
- Mount Type
- Gasket Mount
- Case Material
- CNC Aluminum+ABS
- Plate Material
- Steel
- Hot-swappable
- Yes
- Connectivity
- USB-C + Bluetooth + 2.4GHz
- RGB Support
- Yes
- Keybinding
- Custom
Keycap Profile
- Keycap Profile
- OSA
- Keycap Material
- PBT
- Keycap Printing Method
- Double-shot
- Keycap Included
- Yes
Default Switch
- Switch Profile
- Standard Profile
- Switch Profile
- Keychron Apex Switch
Other
- Battery Capacity
- 4000mAh
- Battery Life
- 760 hours
Vendor Information
keychron
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