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Compare Keychron K3 vs K3 Max SE Differences Side by Side

This comparison is for users deciding between two generations of Keychron's popular low-profile 75% keyboards. The choice is difficult because both share a compact, ultra-slim design, hot-swappable switches, and multi-device wireless connectivity. The decision hinges on whether the advanced wireless performance, extensive sound dampening, and powerful firmware support of the newer model justify its higher cost over the capable and often more affordable original.

65
Keychron K3 Ultra-slim Wireless Mechanical Keyboard FR-ISO Layout
83
Keychron K3 Max SE QMK Wireless Custom Mechanical Keyboard

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0.0 (0)
5.0 (1)
  • Released in 2023
  • Has Tactile, Linear, Clicky switch options
  • Built with the ISO-FR, ISO, ANSI layout standard
  • Provides dedicated media keys
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Made with a Aluminum, ABS case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting
  • Released in 2026
  • Has Linear, Tactile, Clicky switch options
  • Built with the ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 566 g
  • Sized at 20 x 319 x 126 mm
  • Made with a ABS, Wood case
  • Features PBT keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 62.8
  • Build Quality: 61.7
  • Productivity: 66.7
  • Customizability: 69.5
  • Portability: 78.2
Scores
  • Performance: 80.3
  • Build Quality: 73.9
  • Productivity: 88.8
  • Customizability: 86.9
  • Portability: 79.8
Name
Keychron K3
Name
Keychron K3 Max SE
Release year
2023
Release year
2026
Switch Options
Tactile, Linear, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO-FR, ISO, ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
1550 mAh
Battery capacity
1550 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Plate Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum, ABS
Case Material
ABS, Wood
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Dimensions
-
Dimensions
20 x 319 x 126 mm
Weight
-
Weight
566g
*Something incorrect or missing? Please
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Pros and Trade-offs

The Keychron K3 Max SE is the definitive upgrade, justifying its cost with a high-performance 2.4 GHz connection, unparalleled firmware customizability, and a thoughtfully dampened typing experience. The original Keychron K3 serves users who prioritize the low-profile form factor and Bluetooth connectivity on a tighter budget, accepting limitations in switch compatibility and wireless performance. Your budget and need for competitive gaming or deep customization should guide your final choice.

Keychron K3

  • +Often available at a more affordable price point.
  • +Ultra-slim aluminum body emphasized for portability.
  • +Offers layout options including ISO, ISO-FR, and ANSI.
  • +Includes 17 extra keycaps for macOS/Windows swapping.
  • +Hot-swappable for its specific low-profile optical switches.
  • −Uses a proprietary low-profile optical switch socket, limiting switch compatibility.
  • −Lacks a dedicated 2.4 GHz wireless connection.
  • −Built with a plastic plate and lacks the detailed sound-dampening foams of the Max SE.
  • −Firmware customization is not highlighted as a feature.

Keychron K3 Max SE

  • +Features a 1000 Hz polling rate 2.4 GHz wireless mode for low-latency use.
  • +Supports QMK and VIA firmware for extensive programmability.
  • +Includes multiple sound-dampening foams (EPDM, latex, PET, bottom case).
  • +Built with an aluminum plate and wooden side frames on an ABS body.
  • +Uses a standard hot-swappable mechanical socket for Keychron Milk POM low-profile switches.
  • −Carries a higher price tag.
  • −Heavier at 566g, which may reduce portability.
  • −Currently only listed with an ANSI layout option.
  • −The double-shot PBT keycaps are not shine-through for backlighting.

Which Keyboard Is Better for Your Needs?

The K3 Max SE is the clear choice for gaming, programming, modding, and content creation due to its high-performance wireless, programmable firmware, and extensive internal tuning. For travel or budget-conscious buyers, the original K3 remains a compelling, portable option. For general office use, both keyboards are equally capable, making the decision one of budget versus premium features.

GamingKeychron K3 Max SE
  • •The K3 Max SE lists a 1000 Hz polling rate for its 2.4 GHz and wired modes, which the K3's specifications do not mention.
  • •It features a dedicated 2.4 GHz wireless connection for lower latency gaming, an option not available on the K3.
  • •The K3 Max SE's listing includes N-key rollover support for both wireless and wired modes.
OfficeTie
  • •Both keyboards offer Bluetooth connectivity for switching between multiple devices.
  • •Each model includes Mac and Windows keycap sets and system compatibility.
  • •Their 75% layouts save desk space while retaining essential function and navigation keys.
ProgrammingKeychron K3 Max SE
  • •The K3 Max SE supports QMK and VIA firmware for deep, easy key remapping and macro programming.
  • •Its vendor description mentions compatibility with Linux, a detail also present for the K3.
  • •The aluminum plate and redesigned stabilizers on the K3 Max SE may offer a more consistent typing feel.
TravelKeychron K3
  • •The K3's vendor description emphasizes an ultra-slim, lightweight aluminum body designed for portability.
  • •Both share the same 1550mAh battery, but the K3 may have a lower overall weight as its specific weight is not listed, while the K3 Max SE is 566g.
  • •The K3 is often available at a lower price point, reducing risk for travel.
ModdingKeychron K3 Max SE
  • •The K3 Max SE features multiple internal foam layers (EPDM, latex, PET film, bottom case acoustic foam) for sound tuning.
  • •It uses a standard hot-swappable mechanical switch socket compatible with Keychron Milk POM switches, while the K3 uses a proprietary low-profile optical socket.
  • •It comes with double-shot PBT keycaps, and its aluminum plate provides a different mounting feel compared to the K3's plastic plate.
Content CreationKeychron K3 Max SE
  • •The K3 Max SE offers per-key and mix-zone RGB lighting control via its Launcher software for visual customization.
  • •Its advanced firmware supports complex macros which can streamline editing workflows.
  • •The sound-dampened typing experience from its foam may be preferable for recording audio or streaming.

Frequently Asked Questions (FAQ)

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