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Lemokey X3 QMK/VIA Wired Mechanical Keyboard

Keychron Lemokey X3

The Keychron X3 is a full-size mechanical keyboard designed for users who want a customizable typing and gaming experience with low input latency. It suits gamers needing fast response times, office users seeking quieter typing, and hobbyists interested in firmware customization. Its gasket mount and acoustic foam reduce noise and improve typing feel, while QMK/VIA support allows extensive key remapping and macros.</p... Read more
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Lemokey X3 QMK/VIA Wired Mechanical Keyboard

Keychron Lemokey X3 - Red Backlight / Keychron Mechanical Red Switch
Keychron
Ships to US
$49
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Compare Keychron Lemokey X3 vs Epomaker QK108 vs Redragon TRUNDLE K668 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron Lemokey X3Epomaker QK108Redragon TRUNDLE K668
80
Lemokey X3 QMK/VIA Wired Mechanical Keyboard
-45% off
85
EPOMAKER QK108
72
TRUNDLE K668
3.0 (4)
3.6 (9)
0.0 (0)
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Supports QMK firmware
  • Includes screw-in stabilizers
  • Supports Wired, Wired only connectivity
  • Weighs about 807 g
  • Sized at 42 x 446 x 138 mm
  • Made with a ABS, Plastic case
  • Features ABS keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
  • Released in 2025
  • Has Linear, Tactile, Silent switch options
  • Comes with a knob
  • Includes a Yes, LED display
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 8000 mAh battery
  • Weighs about 1180 g
  • Sized at 43 x 439 x 139 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2023
  • Has Linear switch options
  • Uses a Bottom Mount mounting style
  • Supports Wired, Wired only, Bluetooth, 2.4 GHz, Wireless connectivity
  • Weighs about 880 g
  • Sized at 37 x 364 x 133 mm
  • Made with a Plastic case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 82.7
  • Build Quality: 84.4
  • Productivity: 95.5
  • Customizability: 91
  • Portability: 47
Scores
  • Performance: 80.7
  • Build Quality: 75.2
  • Productivity: 88.2
  • Customizability: 81.4
  • Portability: 61.9
Scores
  • Performance: 63.5
  • Build Quality: 69.3
  • Productivity: 72.9
  • Customizability: 56.7
  • Portability: 51
Name
Keychron Lemokey X3
Name
Epomaker QK108
Name
Redragon TRUNDLE K668
Release year
2024
Release year
2025
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Silent
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
100%
Layout Size
100%
Layout Size
100%
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
 
LED
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
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Wired, Wired only, Bluetooth, 2.4 GHz, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
-
Battery capacity
8000 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
Gasket Mount
Mount Style
Gasket Mount
Mount Style
Bottom Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face
Backlight
 
Rgb, South-face
Backlight
 
Rgb
Case Colors
Case Colors
Case Colors
Case Material
ABS, Plastic
Case Material
ABS
Case Material
Plastic
Keycaps Material
ABS
Keycaps Material
PBT
Keycaps Material
PBT, ABS
Dimensions
42 x 446 x 138 mm
Dimensions
43 x 439 x 139 mm
Dimensions
37 x 364 x 133 mm
Weight
807g
Weight
1180g
Weight
880g
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Product Description

The Keychron X3 is a full-size mechanical keyboard designed for users who want a customizable typing and gaming experience with low input latency. It suits gamers needing fast response times, office users seeking quieter typing, and hobbyists interested in firmware customization. Its gasket mount and acoustic foam reduce noise and improve typing feel, while QMK/VIA support allows extensive key remapping and macros.

Key Features

  • 1000 Hz polling rate reduces input delay, benefiting fast-paced gaming.
  • Gasket mount design with acoustic foam lowers typing noise and adds typing flexibility.
  • Open-source QMK firmware and VIA support enable full key remapping and macro creation.
  • Shine-through double-shot ABS keycaps with north-facing LEDs improve visibility in low light.
  • N-key rollover ensures all simultaneous key presses register accurately.
  • Adjustable typing angles (4°, 6°, 8.7°) and OEM-profile curved keycaps support ergonomic comfort.

Build Quality and Typing Experience

  • ABS plastic case with gasket mount reduces vibration and resonance for quieter typing.
  • Pre-lubed Keychron mechanical switches provide a smooth and firm keypress feel out of the box.
  • Plate-mounted stabilizers help stabilize larger keys for consistent feedback.
  • Multiple backlight modes and side lighting offer customizable aesthetics for different environments.

Connectivity and Compatibility

  • Wired connection via USB Type-A to Type-C cable ensures stable, low-latency input.
  • Compatible with Windows, Linux, and macOS systems.
  • Flexible cable routing options allow adaptation to different desk setups.

Customization and Firmware

  • Supports QMK and VIA software for advanced key remapping and macro programming.
  • Requires manual loading of VIA keymap JSON file as automatic recognition is pending.
  • High-performance ARM Cortex-M4 MCU with 256KB flash memory allows complex firmware modifications.

Trade-offs

  • No wireless connectivity, limiting portability and multi-device use.
  • VIA support is not yet fully integrated, requiring extra setup steps.
  • ABS plastic case may feel less durable compared to metal alternatives.
  • OEM profile keycaps may not suit users preferring sculpted or low-profile designs.

Customer reviews

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