K3U-H3
KEYCHRON K3 ULTRA 8K WIRELESS MECHANICAL KEYBOARD/HOT SWAP/RGB/BROWN SWITCH-BLK NEW
Keychron K3 Ultra 8K 75% Wireless Mechanical Keyboard, Black, Milk POM Brown Switches, 8000 Hz, Bluetooth 5.2, USB-C, RGB, Hot-Swappable
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
| Specification | Details |
|---|---|
| Brand | Keychron |
| Model | K3 Ultra 8K Wireless Custom Mechanical Keyboard |
| SKU | K3U-H3 |
| Variant | Fully Assembled, Black, Keychron Milk POM Brown |
| Layout | 75% compact |
| Switch type | Low-profile Keychron Milk POM Brown mechanical switches |
| Hot-swappable | Yes; Keychron Milk POM switches |
| Keycaps | LSA double-shot PBT, non-shine-through |
| Body material | Aluminum + wood |
| Bottom case material | ABS plastic |
| Plate material | Anodized aluminum alloy |
| Stabilizer | Plate-mounted |
| Backlight | North-facing RGB LED; 22+ settings, including static white |
| Connectivity | 2.4 GHz, Bluetooth 5.2, Type-C wired |
| Polling rate | 8000 Hz wired and 2.4 GHz; 125 Hz Bluetooth |
| N-Key Rollover (NKRO) | Yes, wireless and wired |
| Bluetooth device capacity | Up to 3 devices |
| Bluetooth device name | Keychron K3 Ultra 8K |
| Battery | 2600 mAh rechargeable lithium-polymer |
| Listed wireless working time | Up to 550 hours with backlight off at 8K; actual use varies |
| Compatible systems | macOS, Windows, Linux |
| Dimensions | 320.62 × 126.00 mm |
| Front height | 16.55 mm without keycaps |
| Back height | 20.1 mm without keycaps |
| Feet height | 2 mm |
| Weight | 566 g ± 10 g |
| Operating environment | -10°C to 50°C |
