Keychron K8 Ultra 8K Black TKL Wireless Mechanical Keyboard with Banana Switches, Hot-Swap, RGB, ZMK, 8K Polling, 2.4 GHz, Bluetooth 5.2, USB-C and CNC Aluminum Frame

Keychron K8 Ultra 8K Black TKL Wireless Mechanical Keyboard with Banana Switches, Hot-Swap, RGB, ZMK, 8K Polling, 2.4 GHz, Bluetooth 5.2, USB-C and CNC Aluminum Frame

88 $

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Expert Features

  • 80% TKL Layout: Keeps essential keys while removing the number pad, freeing space for mouse movement.
  • 8K Polling Rate: Supports 8,000 Hz in 2.4 GHz wireless and wired modes; Bluetooth polling is 125 Hz.
  • Three Connection Modes: Connect via 2.4 GHz, Bluetooth 5.2, or USB-C wired. Bluetooth supports switching between up to three devices.
  • Keychron Apex Banana Switches: The Banana switch option comes pre-installed on this fully assembled model.
  • Hot-Swappable: Swap compatible switches without soldering.
  • ZMK and Keychron Launcher: Remap keys and create macros through the Launcher web app.
  • Customizable RGB: More than 22 lighting settings, including per-key RGB and Mix RGB.
  • Extended Battery Life: The 4,000 mAh battery offers up to 760 hours with the backlight off, or up to 230 hours with RGB at its lowest brightness.
  • CNC Aluminum Frame: A full-metal frame gives the keyboard a sturdy, substantial build.
  • Double-Shot PBT Keycaps: OSA profile keycaps are designed to resist oil and help keep legends from fading.
  • Mac, Windows, and Linux Support: Compatible with these systems; Mac and Windows keycaps are included.

Expert Specs

Specification Details
Model K8U-J4
Product Keychron K8 Ultra 8K Wireless Custom Mechanical Keyboard
Configuration Fully assembled
Color Black
Layout 80% TKL
Switches Keychron Apex Switch – Banana
Hot-swappable Yes
Connectivity 2.4 GHz, Bluetooth 5.2, USB-C wired
Polling rate 8,000 Hz wired and 2.4 GHz; 125 Hz Bluetooth
Bluetooth device switching Up to 3 devices
Firmware and customization Open-source ZMK; Keychron Launcher web app
Backlight South-facing RGB LED; 22+ settings, per-key RGB and Mix RGB
Keycaps OSA double-shot PBT, non-shine-through
Body material CNC aluminum and ABS
Bottom case material ABS plastic
Plate material Steel
Stabilizers Screw-in PCB stabilizers
Battery Rechargeable 4,000 mAh lithium-polymer
Wireless working time Up to 760 hours with backlight off; up to 230 hours with RGB at lowest brightness
Compatible systems macOS, Windows, Linux
Dimensions 359.2 × 129.2 mm
Front height 25.55 mm without keycaps
Back height 31.28 mm without keycaps
Feet height 1.5 mm
Weight 1,299 g ± 10 g
Operating environment −10°C to 50°C
Bluetooth device name Keychron K8 Ultra 8K

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