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Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard

Keychron K1 Ultra Mechanical Keyboard

The Keychron K1 Ultra is a tenkeyless mechanical keyboard designed for users who want a low-profile, fast-response device with flexible connectivity and deep customization. It suits professionals and enthusiasts who value a minimalist design combined with multiple wireless options and open-source firmware for tailored keymapping. It is less ideal for users needing a full-size layout or those prioritizing quiet, cushioned typing feel.</p... Read more
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Compare Keychron K1 Ultra vs Keychron K1 Max vs Keychron K1 Pro Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron K1 UltraKeychron K1 MaxKeychron K1 Pro
78
Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard
85
Keychron K1 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
86
Keychron K1 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
0.0 (0)
4.3 (16)
5.0 (10)
  • Released in 2026
  • Built with the ANSI layout standard
  • Comes with a knob
  • Uses a Plate Mount mounting style
  • Runs at a 8000 Hz polling rate
  • Equipped with a 2600 mAh battery
  • Weighs about 628.9 g
  • Sized at 20 x 359 x 128 mm
  • Made with a Aluminum, Wood, ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2024
  • Has Tactile, Linear, Clicky switch options
  • Built with the ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI layout standard
  • Uses a PCB Mount mounting style
  • Equipped with a 4000 mAh battery
  • Weighs about 608 g
  • Sized at 24 x 346 x 119 mm
  • Made with a ABS, Aluminum, Plastic case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, White North-face, Rgb North-face RGB lighting
  • Released in 2023
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, ISO-SW, ANSI layout standard
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 2000 mAh battery
  • Weighs about 580 g
  • Sized at 8 x 346 x 119 mm
  • Made with a Aluminum, Plastic, ABS case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
Scores
  • Performance: 89.1
  • Build Quality: 70.1
  • Productivity: 84
  • Customizability: 75
  • Portability: 76.5
Scores
  • Performance: 80.4
  • Build Quality: 80.2
  • Productivity: 89.1
  • Customizability: 90.3
  • Portability: 77
Scores
  • Performance: 81.5
  • Build Quality: 80.4
  • Productivity: 80.2
  • Customizability: 89.5
  • Portability: 73.1
Name
Keychron K1 Ultra
Name
Keychron K1 Max
Name
Keychron K1 Pro
Release year
2026
Release year
2024
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
80%
Layout Size
80%
Layout Standard
ANSI
Layout Standard
ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, ISO-SW, ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
2600 mAh
Battery capacity
4000 mAh
Battery capacity
2000 mAh
Hall Effect Support
 
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Plate Mount
Mount Style
PCB Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, North-face, White
Case Colors
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS
Case Material
ABS, Aluminum, Plastic
Case Material
Aluminum, Plastic, ABS
Keycaps Material
PBT
Keycaps Material
PBT, ABS
Keycaps Material
ABS, PBT
Dimensions
20 x 359 x 128 mm
Dimensions
24 x 346 x 119 mm
Dimensions
8 x 346 x 119 mm
Weight
628.9g
Weight
608g
Weight
580g
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Product Description

The Keychron K1 Ultra is a tenkeyless mechanical keyboard designed for users who want a low-profile, fast-response device with flexible connectivity and deep customization. It suits professionals and enthusiasts who value a minimalist design combined with multiple wireless options and open-source firmware for tailored keymapping. It is less ideal for users needing a full-size layout or those prioritizing quiet, cushioned typing feel.

Key Features

  • Low-profile design reduces finger travel, which can speed up typing and reduce fatigue.
  • 8000 Hz polling rate in wired and wireless modes provides near-instant input response, useful for fast typists and gamers.
  • Supports Bluetooth, wired USB, and 2.4 GHz ultra-low-latency wireless, allowing flexible connection depending on use case.
  • Open-source ZMK firmware enables extensive customization of key functions and layers, appealing to users who want to tailor their layout and macros.
  • Long battery life supports extended use without frequent recharging, beneficial for mobile or wireless setups.

Build Quality

  • Frame combines natural wood and metal, offering a sturdy and stable base with a minimalist aesthetic.
  • Tenkeyless layout saves desk space while retaining essential keys for most workflows.

Connectivity

  • Wired USB connection ensures stable, low-latency input for stationary use.
  • Bluetooth mode supports multi-device pairing, useful for switching between computers or mobile devices.
  • 2.4 GHz wireless mode provides lower latency than Bluetooth, better suited for gaming or fast typing without cables.

Compatibility

  • Tenkeyless layout fits standard keycap sets and supports common operating systems.
  • ZMK firmware allows remapping and customization across platforms, increasing versatility.

Trade-offs

  • Low-profile keys may feel less tactile or satisfying to users accustomed to taller mechanical switches.
  • Tenkeyless layout omits a numeric keypad, which may reduce efficiency for users needing frequent number entry.
  • Natural wood elements add weight and may require more care compared to all-metal or plastic cases.

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