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Key Details:
- Model: K4U-H3
- Part #: AW002022
- Warranty: 1 Year
- Brand: Keychron
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Special Offer
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Save 30% on this item in our Keychron Black Friday Sale. Offer ends 4 December 2026 or while stocks last. Order by 3pm on 4 December to secure this deal.
Keychron K4 Ultra 8K 96% Brown Switch RGB Wireless Custom Mechanical Keyboard - Black - 30% OFF
The K4 Ultra 8K is a wireless mechanical keyboard with a 96% layout. It delivers an ultra-responsive experience with an 8000 Hz polling rate in both wired and wireless modes. Supporting Bluetooth, wired, and ultra-low-latency 2.4 GHz connectivity, it adapts seamlessly to any setup. Powered by the open-source ZMK firmware, it unlocks endless customization possibilities while delivering up to 600 hours (8K, backlit off) of battery life for enhanced performance in both work and gaming.
Tri-Mode Connectivity:
Unlock the power of an 8000 Hz polling rate in both wired and 2.4 GHz wireless modes, delivering ultra-responsive, pro-grade precision for competitive gaming. With Bluetooth 5.2, you can seamlessly switch between up to three devices for effortless multitasking. From lightning-fast performance to versatile wireless connectivity, the K4 Ultra 8K does it all. Learn how to switch your keyboard to 8000 Hz polling rate
Up to 600 Hours of Wireless Endurance:
With a 4000 mAh battery, optimized firmware, and an enhanced circuit design, the K4 Ultra 8K delivers up to 600 hours of use at an 8000 Hz polling rate with the backlight turned off, redefining what wireless performance can achieve.
An Epic Core Inside:
Inside the K4 Ultra 8K lies a powerful MCU with 1 MB flash, delivering unmatched flexibility for deep customization and advanced functionality. It achieves an ultra-responsive 8K polling rate, ensuring every keystroke is registered with near-zero latency and exceptional accuracy for the most demanding gaming and professional tasks.
96% Compact Layout:
The 96% compact layout keeps the full-size keyboard experience in a more space-efficient form. It retains the essential function row, arrow keys, and numeric keypad while reducing unnecessary gaps, giving you more room on your desk without sacrificing productivity. Whether you're handling spreadsheets, typing long documents, coding, or gaming, it delivers a practical balance of familiar control, efficient workflow, and everyday comfort in a streamlined footprint.
From Productivity to Play, Instantly:
The K4 Ultra 8K transitions effortlessly between work and play. During the day, its 96% compact layout gives you a full-size typing experience with a numeric keypad while saving valuable desk space for coding, writing, spreadsheets, and focused tasks. When it’s time to unwind, the 8000 Hz polling rate and ultra-low-latency wireless connection provide the speed and precision needed for smooth gameplay. One keyboard, built for every part of your day.
Keychron Apex Switch:
The K4 Ultra 8K comes with pre-lubed Keychron Apex Switches, crafted for gamers and typists who demand precision, durability, and a refined typing experience. The switch stem features a reinforced wall structure that enhances stability for smoother, wobble-free keystrokes and helps prevent dust and moisture from entering the switch housing for long-lasting performance.
Hot-swappable:
Since everyone has unique typing preferences, the K4 Ultra 8K features a hot-swappable switch design, allowing you to easily swap switches in seconds and customize your experience—no soldering required.
Double-Shot PBT Keycaps:
Designed for a premium typing experience, the K4 Ultra 8K features double-shot PBT keycaps made from durable, non-shine-through PBT material. With excellent oil resistance, they are built to maintain a clean, refined look over the long term.
Suitable for All Devices:
The K4 Ultra 8K is seamlessly compatible with both macOS and Windows, including dedicated keycaps for each system to deliver a consistent and intuitive typing experience across devices.
Why Buy This Keychron Device From Us:
- Competitive Everyday Pricing
- Free Nationwide Delivery
- Free Return Courier if a Fault Develops
- Genuine Keychron NZ Stock. No Parallel Imports
- Official Keychron NZ Warranty
- Full Range of Keychron Accessories Available
Our team use Keychron every day for work and gaming. If you need help choosing the right Keychron model, we're here to provide expert advice. Contact us today!
- Size: 391.29 x 140.27 mm
- Front Height: 23.83 mm (without keycaps)
- Back Height: 30.87 mm (without keycaps)
- Bottom Case Material: ABS
- Feet Height: 1.2 mm
- Weight: 1241g ± 10g
- Body Material: ABS
- Keycap: OSA Double-Shot PBT Keycaps
- Plate Material: Steel
- Switch: Keychron Apex Switch
- Stabilizer: Screw-in PCB Stabilizer
- Backlight: South-facing RGB LED
- Battery: 4000 mAh Rechargeable Lithium Polymer Battery
- Compatible System: macOS / Windows / Linux
- Operating Environment: -10 to 50℃
- Connectivity: 2.4 GHz / Bluetooth 5.2 / Type-C Wired
- Polling Rate: 8000 Hz (Wired & 2.4GHz), 125 Hz (Bluetooth)
- N-Key Rollover (NKRO): Yes (wireless & wired)
- Wireless Working Time: Up to 600 hours (8K, backlit off)
- Hot-swappable: Yes
- Bluetooth Device Name: Keychron K4 Ultra 8K
- 1x Fully Assembled Keyboard
- 1x Type-C Cable
- 1x Type-A to Type-C Adapter
- 1x Type-A 2.4GHz Receiver
- 1x Extension Adapter for Receiver
- 1x Keycap & Switch Puller
- 1x Screwdriver
- 1x Hex Key
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Fast, Same Day Dispatch
Our team check & process orders every few minutes, with items typically shipped within hours. Our aim is to dispatch orders same working day.
Free Return Service
If an item develops a fault & is required to be returned, we will provide a return courier label. More details.
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