Keychron
Keychron K3 Ultra 8K Wireless Custom Mechanical Keyboard
Keychron K3 Ultra 8K is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 75% compact layout through 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. Besides, It includes LSA (low-profile spherical-angled) keycaps and is fully compatible with Windows, macOS, and Linux. This product is a pre-sale item, and shipping is expected to begin in June. No discount code can be used for the K3 Ultra 8K. Please drop your email on "Notify Me When Available" if the product model is out of stock.
Last Updated: September 5, 2026
Specifications
Physical Specifications
- Layout
- 75%
- Key Count
- 84
- Width
- 308mm
- Depth
- 120mm
- Height
- 22mm
- Weight
- 0.53kg
Mount Type
- Mount Type
- Tray Mount
- Case Material
- Aluminum
- Plate Material
- Aluminum
- Hot-swappable
- Yes
- Connectivity
- USB-C + Bluetooth + 2.4GHz
- RGB Support
- No
- Keybinding
- Custom
Keycap Profile
- Keycap Profile
- Low Profile
- Keycap Material
- PBT
- Keycap Included
- Yes
Default Switch
- Switch Profile
- Low Profile
- Connector Type
- Gateron Low Profile 2.0 (KS-33)
- Switch Profile
- Gateron Low Profile 2.0 (KS-33)
Other
- Battery Capacity
- 1550mAh
- Battery Life
- 550 hours
Vendor Information
keychron
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