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88
Keychron J2 HE 8K Magnetic Switch Keyboard

Keychron J2 HE

The Keychron J2 HE is a wired 75% layout keyboard designed for users who want a fast, precise typing or gaming experience with magnetic Hall Effect switches. It suits gamers needing low input lag and typists who value quiet, stable keys with customization options. Its hot-swappable magnetic switches allow easy modification without soldering, but compatibility is limited to Keychron’s own magnetic switches.</p... Read more
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Compare Keychron J2 HE vs Yunzii AL80 vs Jamesdonkey A3 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Keychron J2 HEYunzii AL80Jamesdonkey A3
88
Keychron J2 HE 8K Magnetic Switch Keyboard
87
YUNZII AL80 QMK/VIA Aluminum LCD Mechanical Keyboard
79
JAMESDONKEY A3 Gasket Mechanical Keyboard
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0.0 (0)
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  • Released in 2026
  • Has Linear, Tactile, Clicky switch options
  • Utilizes Hall effect sensors
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 780 g
  • Sized at 31 x 332 x 140 mm
  • Made with a Plastic case
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
  • Released in 2025
  • Has Linear switch options
  • Includes a Yes, LCD display
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, Wired only connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 6000 mAh battery
  • Weighs about 1438.5 g
  • Sized at 41 x 138 x 314 mm
  • Made with a Aluminum case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2022
  • Has Clicky, Linear, Tactile switch options
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 3000 mAh battery
  • Weighs about 1000 g
  • Sized at 40 x 136 x 321 mm
  • Made with a ABS, Polycarbonate, Plastic, PBT case
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 89.2
  • Build Quality: 83
  • Productivity: 87.5
  • Customizability: 90.4
  • Portability: 60.7
Scores
  • Performance: 70.2
  • Build Quality: 78.8
  • Productivity: 92.5
  • Customizability: 92.2
  • Portability: 91.7
Scores
  • Performance: 61.4
  • Build Quality: 66.3
  • Productivity: 91
  • Customizability: 85.5
  • Portability: 79.4
Name
Keychron J2 HE
Name
Yunzii AL80
Name
Jamesdonkey A3
Release year
2026
Release year
2025
Release year
2022
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear
Switch Options
Clicky, Linear, Tactile
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal 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
 
LCD
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, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
-
Battery capacity
6000 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
Gasket Mount
Mount Style
Gasket Mount
Mount Style
Gasket 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
Plastic
Case Material
Aluminum
Case Material
ABS, Polycarbonate, Plastic, PBT
Keycaps Material
PBT
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
31 x 332 x 140 mm
Dimensions
41 x 138 x 314 mm
Dimensions
40 x 136 x 321 mm
Weight
780g
Weight
1438.5g
Weight
1000g
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Product Description

The Keychron J2 HE is a wired 75% layout keyboard designed for users who want a fast, precise typing or gaming experience with magnetic Hall Effect switches. It suits gamers needing low input lag and typists who value quiet, stable keys with customization options. Its hot-swappable magnetic switches allow easy modification without soldering, but compatibility is limited to Keychron’s own magnetic switches.

Key Features

  • 8000 Hz polling rate reduces input lag, benefiting competitive gaming and fast typing.
  • Hot-swappable Hall Effect magnetic switches enable switch replacement without soldering, but only with Keychron Ultra-Fast Lime Magnetic switches.
  • Configurable via the Keychron Launcher web app for remapping keys, creating macros, adjusting lighting, and changing polling rates.
  • North-facing RGB backlighting offers over 22 modes with adjustable hue, brightness, and effects for personalized lighting.

Typing Experience

  • Pre-lubed Keychron Ultra-Fast Lime Magnetic switches provide a soft, thick typing sound with stable, responsive feedback.
  • Cherry profile double-shot PBT keycaps reduce typing fatigue and offer durable, long-lasting legends.
  • Steel plate and enhanced acoustic foam improve typing sound and comfort by absorbing noise.
  • Screw-in PCB stabilizers reduce wobble on larger keys for a more consistent feel.
  • Adjustable typing angles (4.5°, 6.4°, 8.8°) support ergonomic wrist positioning.

Build Quality

  • Plastic case with gasket mount style balances typing softness and stability.
  • Added weight enhances keyboard stability during use.

Compatibility and Connectivity

  • Wired connection via USB Type-C ensures stable, low-latency input.
  • Compatible with Windows, macOS, and Linux operating systems.
  • Supports full N-key rollover for accurate simultaneous key presses.

Trade-offs

  • Limited switch compatibility restricts customization to Keychron’s magnetic switches only.
  • No wireless option, which may be less convenient for users wanting a cable-free setup.
  • Plastic body may feel less premium compared to metal alternatives.

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