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CASTOR K631 PRO Full-Transparent Mechanical Keyboard

Redragon CASTOR K631 Pro Mechanical Keyboard

The Redragon CASTOR K631 Pro is a compact 65% mechanical keyboard designed for users who want a small footprint without sacrificing arrow keys and some function keys. It suits gamers and hobbyists who value wireless flexibility, easy switch customization, and a straightforward layout that saves desk space. Its hot-swappable sockets allow quick switch changes without soldering, making it a good fit for users who like to modify their typing experience.</p... Read more
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CASTOR K631 PRO (Detachable Strap Version)

Redragon
Redragon
Ships to US
$42
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CASTOR K631 PRO Full-Transparent Mechanical Keyboard

Redragon
Redragon
Ships to US
$54

Out of stock

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CASTOR K631 PRO 65% Wireless RGB Gaming Keyboard

Redragon
Redragon
Ships to US
$54

Out of stock

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CASTOR K631 PRO 65% Mint Wireless Keyboard

Redragon
Redragon
Ships to US
$59

Out of stock

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Compare Redragon CASTOR K631 Pro vs Redragon CASTOR K631 vs Qwertykeys Neo60 Core Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Redragon CASTOR K631 ProRedragon CASTOR K631Qwertykeys Neo60 Core
CASTOR K631 PRO Full-Transparent Mechanical Keyboard
CASTOR K631 65% Wired RGB Gaming Keyboard
74
Qwertykeys Neo60 Core Keyboard
0.0 (0)
0.0 (0)
5.0 (12)
  • Equipped with a 1600 mAh battery
  • Weighs about 470 g
  • Sized at 40 x 309 x 104 mm
  • Supports Wired, Wired only connectivity
  • Weighs about 430 g
  • Released in 2025
  • Available in a 60% layout
  • Built with the ANSI, ISO layout standard
  • Supports VIA configuration
  • Uses a PCB Mount mounting style
  • Equipped with a 2200 mAh battery
  • Weighs about 1500 g
  • Sized at 18 x 293 x 109 mm
  • Made with a Aluminum case
  • Offers No RGB lighting
Scores
  • Performance: 70.5
  • Build Quality: 56.1
  • Productivity: 53.2
  • Customizability: 59.1
  • Portability: 84.9
Scores
  • Performance: 71.2
  • Build Quality: 56.7
  • Productivity: 54
  • Customizability: 60.5
  • Portability: 71.7
Scores
  • Performance: 56.2
  • Build Quality: 79.5
  • Productivity: 58.7
  • Customizability: 73.5
  • Portability: 86.9
Name
Redragon CASTOR K631 Pro
Name
Redragon CASTOR K631
Name
Qwertykeys Neo60 Core
Release year
2022
Release year
2022
Release year
2025
Switch Options
Linear
Switch Options
Linear
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
65%
Layout Size
60%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Standard
ANSI, ISO
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
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
-
Polling Rate
-
Battery capacity
1600 mAh
Battery capacity
-
Battery capacity
2200 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
Bottom Mount
Mount Style
PCB Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb
Backlight
 
Case Colors
Case Colors
Case Colors
Case Material
Plastic
Case Material
Plastic
Case Material
Aluminum
Keycaps Material
ABS
Keycaps Material
ABS
Keycaps Material
-
Dimensions
40 x 309 x 104 mm
Dimensions
-
Dimensions
18 x 293 x 109 mm
Weight
470g
Weight
430g
Weight
1500g
*Something incorrect or missing? Please
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Product Description

The Redragon CASTOR K631 Pro is a compact 65% mechanical keyboard designed for users who want a small footprint without sacrificing arrow keys and some function keys. It suits gamers and hobbyists who value wireless flexibility, easy switch customization, and a straightforward layout that saves desk space. Its hot-swappable sockets allow quick switch changes without soldering, making it a good fit for users who like to modify their typing experience.

Key Features

  • 65% layout with 68 keys includes dedicated arrow keys and extra function keys, balancing compactness with usability.
  • Hot-swappable sockets support nearly all MX-style switches, including 3-pin and 5-pin variants, enabling easy switch replacement or upgrades.
  • Multiple connectivity options: USB-C wired, Bluetooth 3.0/5.0, and 2.4 GHz wireless, offering flexibility for different setups and devices.
  • Onboard RGB lighting with 20 preset modes and adjustable brightness and speed, allowing visual customization without software.

Typing Experience

The keyboard uses quiet linear Red switches with soft key travel, resulting in a smooth and low-noise typing feel. The hot-swap design reduces switch wobble, which can improve consistency and durability. Users can easily swap switches to tailor the sound and feel without technical knowledge.

Connectivity

Tri-mode connection supports wired USB-C for stable, low-latency use, and wireless modes via Bluetooth 3.0/5.0 or 2.4 GHz for cable-free convenience. This versatility suits users who switch between desktop and mobile devices or prefer a clean desk setup. Specific latency or battery life details are unknown.

Trade-offs

  • The compact 65% layout omits a number pad and some dedicated keys, which may be less ideal for users needing full-size layouts or extensive key availability.
  • Switches are linear and quiet by default, which may not satisfy users who prefer tactile or clicky feedback.
  • Software customization options are limited since lighting and modes are controlled onboard, restricting deeper remapping or macro programming.

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