COMPACT MECHANICAL KEYBOARDS
SHARES CORE FEATURES WITH
Logitech MX Mechanical Mini
Both offer compact wireless mechanical typing. The Keychron K3 Ultra 8K uses a 75% ANSI layout, low-profile tactile Keychron Milk POM Banana switches, and up to 8K polling over wired and 2.4 GHz modes. Its key switches, firmware, battery and construction differ from the Logitech model; no unverified price saving is claimed.
Keychron K3 Ultra 8K — Wireless Low-Profile 75% Keyboard
The Keychron K3 Ultra 8K K3U-H4 is a compact black 75% wireless mechanical keyboard equipped with Keychron Milk POM Banana switches. It pairs an ultra-slim natural wood-and-aluminum frame with tri-mode connectivity and responsive 8K polling for productivity and gaming.
Key Features
- Space-saving 75% layout with dedicated arrow and navigation keys.
- Up to 8,000 Hz polling over 2.4 GHz wireless and wired USB-C.
- Factory-installed tactile Keychron low-profile Milk POM Banana switches, hot-swappable.
- Bluetooth 5.2 multi-device pairing alongside 2.4 GHz and USB-C.
- Keychron Launcher and ZMK customization for key remaps, macros and shortcuts.
- North-facing RGB lighting, LSA double-shot PBT non-shine-through keycaps.
Specifications
| Exact SKU |
K3U-H4 — Fully Assembled Black, ANSI, Milk POM Banana |
| Layout |
75% |
| Switches |
Keychron low-profile Milk POM Banana, hot-swappable |
| Connectivity |
2.4 GHz, Bluetooth 5.2, USB-C wired |
| Polling Rate |
8,000 Hz wired and 2.4 GHz; 125 Hz Bluetooth |
| Firmware / Customization |
ZMK, Keychron Launcher |
| Keycaps |
LSA double-shot PBT, non-shine-through |
| Backlight |
North-facing RGB |
| Battery |
2,600 mAh; up to 550 hours with backlight off under specified conditions |
| Construction |
Aluminum and wood frame, anodized aluminum plate |
| Weight |
Approximately 566 g |
| Compatibility |
Windows, macOS, Linux |
Compatibility
Wireless polling, Bluetooth and software features depend on connection method and operating system. Switch replacements must be compatible with the low-profile Milk POM design.
Available from GameTricks in Lebanon, subject to supplier availability.
