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Keychron K9 Max QMK Wireless Custom Mechanical Keyboard

Keychron K9 Max Mechanical Keyboard

The Keychron K9 Max is a low-profile 60% wireless mechanical keyboard suited for users who want a compact, slim design with versatile connectivity and extensive customization. It fits well for gamers needing low latency wireless options, office users seeking quiet and comfortable typing, and hobbyists interested in programmable layouts and hot-swappable switches.</p... Read more
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Keychron K9 Max QMK Wireless Custom Mechanical Keyboard (US ANSI Keyboard)

Keychron (DE)
Keychron (DE)
No shipping to US
$137
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Compare Keychron K9 Max vs Nuphy Air60 V2 vs Keychron S1 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron K9 MaxNuphy Air60 V2Keychron S1
85
Keychron K9 Max QMK Wireless Custom Mechanical Keyboard
85
Nuphy Air60V2 Low Profile Mechanical Keyboard Kit
85
Keychron S1 QMK Custom Mechanical Keyboard
0.0 (0)
0.0 (0)
4.8 (18)
  • Released in 2025
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Equipped with a 1550 mAh battery
  • Weighs about 426 g
  • Sized at 25 x 287 x 98 mm
  • Made with a ABS case
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2023
  • Has Clicky, Tactile, Linear, Low-Profile Mechanical switch options
  • Equipped with a 2500 mAh battery
  • Weighs about 463 g
  • Sized at 14 x 297 x 107 mm
  • Made with a Aluminum, ABS, Plastic case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2022
  • Available in a 75% layout
  • Uses a Tray Mount mounting style
  • Supports Wired, Wired only connectivity
  • Weighs about 960 g
  • Sized at 8 x 118 x 310 mm
  • Made with a Aluminum case
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 74.9
  • Build Quality: 75.2
  • Productivity: 90.7
  • Customizability: 92.4
  • Portability: 87.3
Scores
  • Performance: 74.6
  • Build Quality: 76.6
  • Productivity: 72.3
  • Customizability: 94.8
  • Portability: 88.6
Scores
  • Performance: 80.1
  • Build Quality: 79.3
  • Productivity: 81
  • Customizability: 89.4
  • Portability: 64.9
Name
Keychron K9 Max
Name
Nuphy Air60 V2
Name
Keychron S1
Release year
2025
Release year
2023
Release year
2022
Switch Options
Linear, Tactile, Clicky
Switch Options
Clicky, Tactile, Linear, Low-Profile Mechanical
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
60%
Layout Size
60%
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
Wired, Wired only
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
1550 mAh
Battery capacity
2500 mAh
Battery capacity
-
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
-
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, South-face
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Colors
Case Material
ABS
Case Material
Aluminum, ABS, Plastic
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
25 x 287 x 98 mm
Dimensions
14 x 297 x 107 mm
Dimensions
8 x 118 x 310 mm
Weight
426g
Weight
463g
Weight
960g
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Product Description

The Keychron K9 Max is a low-profile 60% wireless mechanical keyboard suited for users who want a compact, slim design with versatile connectivity and extensive customization. It fits well for gamers needing low latency wireless options, office users seeking quiet and comfortable typing, and hobbyists interested in programmable layouts and hot-swappable switches.

Key Features

  • Supports 2.4 GHz wireless with a 1000 Hz polling rate for responsive gaming and wired connection for minimal latency.
  • Bluetooth 5.2 allows connection to up to three devices, enabling easy multitasking across computers, phones, and tablets.
  • QMK firmware support and a web-based launcher enable full key remapping, macros, and shortcuts for personalized workflows.
  • Hot-swappable switch option lets users change low-profile switches without soldering, adapting typing feel quickly.
  • Adjustable typing angles provide ergonomic wrist support for extended use.

Typing Experience

  • Uses Keychron Milk POM low-profile mechanical switches, which are slimmer than standard switches but still offer tactile feedback.
  • Pre-lubed switches produce a smooth, deeper "thock" sound, contributing to a quieter typing environment.
  • Interior acoustic foam reduces noise and enhances key responsiveness and durability.
  • Low-profile double-shot PBT keycaps resist oil and wear, maintaining texture over time.
  • Redesigned stabilizers reduce wobble on larger keys for a stable, consistent feel.

Connectivity and Compatibility

  • Offers wired USB-C, 2.4 GHz wireless, and Bluetooth 5.2 connections, covering most usage scenarios.
  • Compatible with macOS, Windows, and Linux, including dedicated keycaps and layouts for Mac and Windows users.
  • Supports N-key rollover in both wired and wireless modes, ensuring accurate key registration during fast typing or gaming.

Trade-offs

  • Currently limited to Keychron Milk POM switches only, restricting switch variety compared to other hot-swap keyboards.
  • Bluetooth polling rate is lower (120 Hz), which may affect responsiveness in wireless gaming compared to 2.4 GHz mode.
  • ABS frame material may be less durable or premium-feeling than metal alternatives.
  • RGB backlighting options are extensive but may reduce battery life when used at higher brightness.

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