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Keychron K3 Max SE QMK Wireless Custom Mechanical Keyboard

Keychron K3 Max SE

The Keychron K3 Max SE is a compact, ultra-slim mechanical keyboard designed for users who want a versatile wireless or wired setup with easy customization. It suits professionals and hobbyists who value a low-profile typing experience and need a 75% layout that balances key availability with desk space. Its hot-swappable switches and software-based macro programming appeal to users who frequently adjust their key functions.</p... Read more
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Keychron K3 Max SE QMK Wireless Custom Mechanical Keyboard(US ANSI Layout)

Keychron (DE)
Keychron (DE)
No shipping to US
$140
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Compare Keychron K3 Max SE vs Chilkey ND75 LP vs Nuphy Node75 Low Profile Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron K3 Max SEChilkey ND75 LPNuphy Node75 Low Profile
83
Keychron K3 Max SE QMK Wireless Custom Mechanical Keyboard
79
Chilkey ND75 LP Aluminum Hotswap Wireless RGB Low Profile Keyboard
Nuphy Node75 White Low-Profile (ANSI)
5.0 (1)
0.0 (0)
0.0 (0)
  • Released in 2026
  • Has Linear, Tactile, Clicky switch options
  • Supports QMK firmware
  • Supports VIA configuration
  • Equipped with a 1550 mAh battery
  • Weighs about 566 g
  • Sized at 20 x 319 x 126 mm
  • Made with a ABS, Wood case
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2024
  • Includes a Yes display
  • Utilizes Hall effect sensors
  • Includes screw-in stabilizers
  • Uses a Plate Mount mounting style
  • Equipped with a 3600 mAh battery
  • Made with a Aluminum case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2025
  • Has Clicky, Linear switch options
  • Uses a Gasket Mount mounting style
  • Equipped with a 3000 mAh battery
  • Weighs about 659 g
  • Made with a ABS case
  • Offers No RGB lighting
Scores
  • Performance: 80.3
  • Build Quality: 73.9
  • Productivity: 88.6
  • Customizability: 86.9
  • Portability: 79.9
Scores
  • Performance: 82.2
  • Build Quality: 73.8
  • Productivity: 86.3
  • Customizability: 74.8
  • Portability: 81.8
Scores
  • Performance: 49.4
  • Build Quality: 59.4
  • Productivity: 53.5
  • Customizability: 45.5
  • Portability: 78.9
Name
Keychron K3 Max SE
Name
Chilkey ND75 LP
Name
Nuphy Node75 Low Profile
Release year
2026
Release year
2024
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
-
Switch Options
Clicky, Linear
Profile
Low Profile
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Standard
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, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
1550 mAh
Battery capacity
3600 mAh
Battery capacity
3000 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
-
Mount Style
Plate Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, South-face
Backlight
 
Case Colors
Case Colors
Case Colors
Case Material
ABS, Wood
Case Material
Aluminum
Case Material
ABS
Keycaps Material
PBT
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
20 x 319 x 126 mm
Dimensions
-
Dimensions
-
Weight
566g
Weight
-
Weight
659g
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Product Description

The Keychron K3 Max SE is a compact, ultra-slim mechanical keyboard designed for users who want a versatile wireless or wired setup with easy customization. It suits professionals and hobbyists who value a low-profile typing experience and need a 75% layout that balances key availability with desk space. Its hot-swappable switches and software-based macro programming appeal to users who frequently adjust their key functions.

Key Features

  • Supports 2.4 GHz wireless, Bluetooth, and wired connections, allowing flexible use across devices and environments.
  • 75% compact layout provides most essential keys while saving desk space compared to full-size keyboards.
  • Hot-swappable mechanical switches enable users to change switch types without soldering, facilitating customization and maintenance.
  • Keychron Launcher web app allows programming of macros and remapping keys, enhancing productivity and workflow customization.
  • Includes LSA profile keycaps, which have a low profile and spherical-angled shape, designed to reduce finger fatigue and improve typing comfort.
  • Keycaps support both Windows and macOS layouts, easing transition between operating systems.

Connectivity

The keyboard offers multiple connection modes: 2.4 GHz wireless for stable, low-latency use; Bluetooth for convenience with mobile devices; and wired USB for zero-latency and charging. Users can switch between modes depending on their setup and priorities.

Typing Experience

The low-profile LSA keycaps combined with hot-swappable mechanical switches deliver a typing feel that is lighter and less tall than traditional mechanical keyboards. This can reduce finger strain during long sessions. The ability to swap switches allows users to tailor the tactile or linear feedback to their preference. Sound levels and acoustics will vary based on chosen switches.

Trade-offs

  • The ultra-slim design may sacrifice some durability and heft compared to thicker mechanical keyboards, potentially affecting stability on the desk.
  • Being a 75% layout, it lacks a dedicated number pad, which may be less ideal for users who frequently input numbers.
  • Unknown battery life and latency details limit assessment of wireless performance.

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