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RK84 Wired RGB Limited Edition Keyboard

Royal Kludge RK84

The Royal Kludge RK84 is a compact 75% mechanical keyboard designed for users who want wireless flexibility and customization in a smaller form factor. It suits hobbyists who like to swap switches and customize layouts, as well as users needing a versatile keyboard for both work and casual use. Its wireless options and programmability make it adaptable, though it may be less ideal for those prioritizing a full-size layout or specialized typing acoustics.</p... Read more
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Compare Royal Kludge RK84 vs Xinmeng M75 Pro vs Keychron J2 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Royal Kludge RK84Xinmeng M75 ProKeychron J2
63
RK84 75% Wired Mechanical Keyboard
80
[In Stock] Xinmeng M75/M75Pro 75% Pre-Built Mechanical Keyboard
77
Keychron J2 QMK Wireless Mechanical Keyboard - Image: 3
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0.0 (0)
4.3 (9)
  • Released in 2021
  • Has Linear, Tactile, Silent, Clicky switch options
  • Connects via USB-C
  • Offers a USB passthrough port
  • Weighs about 803.5 g
  • Sized at 41 x 315 x 125 mm
  • Features PBT, ABS keycaps
  • Released in 2024
  • Has Linear, Silent switch options
  • Comes with a knob
  • Includes a Yes, TFT display
  • Features N-key rollover
  • Uses a Gasket Mount mounting style
  • Equipped with a 5000 mAh battery
  • Weighs about 900 g
  • Sized at 20 x 326 x 152 mm
  • Released in 2025
  • Has Linear, Tactile, Clicky switch options
  • Supports QMK firmware
  • Supports VIA configuration
  • Offers Yes, Rgb, White RGB lighting
Scores
  • Performance: 63.2
  • Build Quality: 50.4
  • Productivity: 77.7
  • Customizability: 69
  • Portability: 81
Scores
  • Performance: 81.6
  • Build Quality: 74.9
  • Productivity: 81.8
  • Customizability: 79.8
  • Portability: 80.1
Scores
  • Performance: 70.3
  • Build Quality: 71.4
  • Productivity: 74
  • Customizability: 86.9
  • Portability: 73.4
Name
Royal Kludge RK84
Name
Xinmeng M75 Pro
Name
Keychron J2
Release year
2021
Release year
2024
Release year
2025
Switch Options
Linear, Tactile, Silent, Clicky
Switch Options
Linear, Silent
Switch Options
Linear, Tactile, Clicky
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
 
TFT
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
3750 mAh
Battery capacity
5000 mAh
Battery capacity
3750 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
Gasket Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb
Backlight
 
Rgb, White
Case Colors
Case Colors
Case Colors
Case Material
Plastic
Case Material
Plastic
Case Material
-
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
41 x 315 x 125 mm
Dimensions
20 x 326 x 152 mm
Dimensions
-
Weight
803.5g
Weight
900g
Weight
-
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Product Description

The Royal Kludge RK84 is a compact 75% mechanical keyboard designed for users who want wireless flexibility and customization in a smaller form factor. It suits hobbyists who like to swap switches and customize layouts, as well as users needing a versatile keyboard for both work and casual use. Its wireless options and programmability make it adaptable, though it may be less ideal for those prioritizing a full-size layout or specialized typing acoustics.

Key Features

  • Hot-swappable switches allow easy replacement without soldering, enabling users to change typing feel or repair switches quickly.
  • Dual wireless connectivity via Bluetooth and 2.4 GHz offers flexibility for different devices and reduces cable clutter.
  • Full programmability lets users customize key functions and RGB lighting to suit personal workflows and aesthetics.
  • USB-C wired option provides a stable connection when wireless is not preferred or available.
  • Factory-lubed stabilizers help reduce key rattle, improving typing sound and feel on larger keys.

Connectivity

The RK84 supports Bluetooth and 2.4 GHz wireless connections, allowing pairing with multiple devices and convenient switching. Wired USB-C connection is available for low-latency or charging needs. This makes it suitable for users who move between devices or prefer a clean desk setup without cables.

Trade-offs

  • The 75% layout omits a dedicated number pad, which may be a drawback for users needing frequent numeric input.
  • Unknown battery life and latency details mean wireless performance cannot be fully assessed from available information.
  • Build material and mounting style details are not specified, limiting insight into long-term durability and typing acoustics.

Frequently Asked Questions (FAQ)

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