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CASTOR K631 Grey 65% Wired RGB Gaming Keyboard

Redragon CASTOR K631

The Redragon CASTOR K631 is a compact wired mechanical keyboard with a 65% layout that includes dedicated arrow keys and extra function keys. It suits users who want to save desk space while retaining essential navigation keys. Its hot-swappable design appeals to hobbyists who like to customize or replace switches without soldering. The keyboard is suitable for both work and casual gaming, especially for those who prefer a quieter, linear typing experience.</p... Read more
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CASTOR K631 Grey 65% Wired RGB Gaming Keyboard

Redragon CASTOR K631 - CASTOR K631 Grey 65% Wired RGB Gaming Keyboard
Redragon
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$47
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Compare Redragon CASTOR K631 vs MCHOSE Ace 68 HE vs Epomaker Magcore65 Lite Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Redragon CASTOR K631MCHOSE Ace 68 HEEpomaker Magcore65 Lite
CASTOR K631 Grey 65% Wired RGB Gaming Keyboard
75
MCHOSE Ace 68 Hall Effect Magnetic Switch Gaming Keyboard
-46% off
74
EPOMAKER Magcore65 Lite
0.0 (0)
0.0 (0)
4.8 (10)
  • Released in 2023
  • Has Linear switch options
  • Uses a Bottom Mount mounting style
  • Supports Wired, Wired only connectivity
  • Weighs about 430 g
  • Made with a Plastic case
  • Features ABS keycaps
  • Offers Yes, Rgb RGB lighting
  • Released in 2024
  • Has Clicky, Magnetic switch options
  • Enables rapid trigger functionality
  • Supports Wired, Wired only, connectivity
  • Weighs about 880 g
  • Sized at 60 x 350 x 150 mm
  • Made with a Aluminum, Silicone case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face, North-face, Rgb North-face RGB lighting
  • Released in 2025
  • Has Linear, Magnetic switch options
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 750 g
  • Sized at 43 x 324 x 118 mm
  • Made with a ABS case
  • Features PBT, PC keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 71.4
  • Build Quality: 56.8
  • Productivity: 55
  • Customizability: 60.5
  • Portability: 71.5
Scores
  • Performance: 92.6
  • Build Quality: 66.3
  • Productivity: 78.8
  • Customizability: 67.2
  • Portability: 75.6
Scores
  • Performance: 89.4
  • Build Quality: 65.7
  • Productivity: 67.9
  • Customizability: 66.9
  • Portability: 86.5
Name
Redragon CASTOR K631
Name
MCHOSE Ace 68 HE
Name
Epomaker Magcore65 Lite
Release year
2023
Release year
2024
Release year
2025
Switch Options
Linear
Switch Options
Clicky, Magnetic
Switch Options
Linear, Magnetic
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
65%
Layout Size
65%
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
Wired, Wired only
Connection
Wired, Wired only,
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
8000 Hz
Polling Rate
8000 Hz
Battery capacity
-
Battery capacity
-
Battery capacity
4000 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
Bottom Mount
Mount Style
-
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, South-face, North-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Colors
Case Material
Plastic
Case Material
Aluminum, Silicone
Case Material
ABS
Keycaps Material
ABS
Keycaps Material
PBT
Keycaps Material
PBT, PC
Dimensions
-
Dimensions
60 x 350 x 150 mm
Dimensions
43 x 324 x 118 mm
Weight
430g
Weight
880g
Weight
750g
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Product Description

The Redragon CASTOR K631 is a compact wired mechanical keyboard with a 65% layout that includes dedicated arrow keys and extra function keys. It suits users who want to save desk space while retaining essential navigation keys. Its hot-swappable design appeals to hobbyists who like to customize or replace switches without soldering. The keyboard is suitable for both work and casual gaming, especially for those who prefer a quieter, linear typing experience.

Key Features

  • 68 keys with a 65% layout that balances compactness and functionality by including arrow and function keys.
  • Hot-swappable sockets compatible with most MX-style mechanical switches, allowing easy switch replacement or customization.
  • Quiet linear red switches with soft key travel, providing a smooth and less noisy typing feel.
  • RGB backlighting with up to 20 preset modes, adjustable brightness, and speed, plus software support for custom lighting and macros.
  • Dual USB-C and USB-A wired connectivity options for flexible device compatibility.

Typing Experience

The keyboard uses quiet linear switches that reduce noise and offer smooth keypresses, making it suitable for office environments or shared spaces. The soft key travel helps reduce finger fatigue during extended use. Hot-swappable sockets enable users to try different switch types or replace worn switches without technical hassle.

Connectivity

The wired connection uses a combined USB-C and USB-A cable, which increases compatibility with various devices without needing adapters. This setup ensures a stable connection but limits mobility compared to wireless options.

Trade-offs

  • The 65% layout, while compact, may be less ideal for users who frequently use a full number pad or require extensive key clusters.
  • Wired-only connectivity restricts flexibility for users who prefer wireless setups.
  • Switches are basic linear reds, which may not satisfy users seeking tactile or clicky feedback.

Frequently Asked Questions (FAQ)

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