SKU: K3U-H3

Keychron K3 Ultra 8K 75% Wireless Mechanical Keyboard, Black, Milk POM Brown Switches, 8000 Hz, Bluetooth 5.2, USB-C, RGB, Hot-Swappable

Description

Expert Features

  • 75% Ultra-Slim Layout: Keep a compact desk setup while retaining the function row and arrow keys.
  • Milk POM Brown Switches: This K3U-H3 variant has tactile, low-profile Brown switches for a noticeable bump while typing.
  • 8000 Hz Polling: Polls at 8000 Hz over wired and 2.4 GHz modes; Bluetooth polling is 125 Hz.
  • Three Connection Modes: Connect through 2.4 GHz wireless, Bluetooth 5.2, or USB-C wired.
  • Connect Up to Three Devices: Bluetooth supports pairing with up to three devices.
  • Hot-Swappable: Change compatible Keychron Milk POM low-profile switches without soldering.
  • ZMK and Keychron Launcher: Customize keymaps, macros, shortcuts, backlighting, and firmware through Keychron Launcher.
  • Up to 550 Hours of Battery Life: Keychron’s rated runtime is up to 550 hours with the backlight off; actual use varies.
  • Low-Profile LSA Keycaps: Non-shine-through, double-shot PBT keycaps offer a durable low-profile typing surface.
  • RGB Customization: North-facing RGB LEDs offer 22+ settings, including static white, with per-key and mixed-zone customization.
  • Wood and Metal Frame: Natural wood accents pair with a metal frame for a distinctive slim build.
  • Windows, macOS and Linux Support: Compatible with all three systems and includes Mac and Windows keycaps.

Expert Specs

SpecificationDetails
BrandKeychron
ModelK3 Ultra 8K Wireless Custom Mechanical Keyboard
SKUK3U-H3
VariantFully Assembled, Black, Keychron Milk POM Brown
Layout75% compact
Switch typeLow-profile Keychron Milk POM Brown mechanical switches
Hot-swappableYes; Keychron Milk POM switches
KeycapsLSA double-shot PBT, non-shine-through
Body materialAluminum + wood
Bottom case materialABS plastic
Plate materialAnodized aluminum alloy
StabilizerPlate-mounted
BacklightNorth-facing RGB LED; 22+ settings, including static white
Connectivity2.4 GHz, Bluetooth 5.2, Type-C wired
Polling rate8000 Hz wired and 2.4 GHz; 125 Hz Bluetooth
N-Key Rollover (NKRO)Yes, wireless and wired
Bluetooth device capacityUp to 3 devices
Bluetooth device nameKeychron K3 Ultra 8K
Battery2600 mAh rechargeable lithium-polymer
Listed wireless working timeUp to 550 hours with backlight off at 8K; actual use varies
Compatible systemsmacOS, Windows, Linux
Dimensions320.62 × 126.00 mm
Front height16.55 mm without keycaps
Back height20.1 mm without keycaps
Feet height2 mm
Weight566 g ± 10 g
Operating environment-10°C to 50°C