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CASTOR K631 HE Rapid Trigger Gaming Keyboard

Redragon CASTOR K631 HE Mechanical Keyboard

The CASTOR K631 HE is a wired mechanical keyboard designed for gamers who prioritize ultra-fast input and precise control. It features Hall Effect magnetic switches, which reduce physical input delay and extend switch lifespan. This keyboard suits users needing highly responsive key actuation and customizable input behavior for timing-sensitive games.</p... Read more
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CASTOR K631 HE Rapid Trigger Gaming Keyboard

Redragon
Redragon
Ships to US
$39
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Compare Redragon CASTOR K631 HE vs Redragon DRAGONBORN K630 vs Redragon FIZZ K617 Specification

Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
Redragon CASTOR K631 HERedragon DRAGONBORN K630Redragon FIZZ K617
CASTOR K631 HE Rapid Trigger Gaming Keyboard
DRAGONBORN K630 Wired 60% Keyboard
FIZZ K617 60% Wired Mechanical Keyboard (Red Inner)
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  • Released in 2026
  • Has Magnetic switch options
  • Available in a 65% layout
  • Enables rapid trigger functionality
  • Runs at a 8000 Hz polling rate
  • Weighs about 638 g
  • Sized at 33 x 323 x 107 mm
  • Has Clicky, Tactile, Linear, Magnetic switch options
  • Weighs about 840 g
  • Sized at 36 x 99 x 36 mm
  • Has Linear, Clicky switch options
  • Built with the ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO layout standard
  • Weighs about 590 g
  • Sized at 38 x 99 x 36 mm
Scores
  • Performance: 91.4
  • Build Quality: 42.2
  • Productivity: 47
  • Customizability: 45.8
  • Portability: 65.1
Scores
  • Performance: 80.1
  • Build Quality: 55.4
  • Productivity: 52.4
  • Customizability: 57.3
  • Portability: 69.8
Scores
  • Performance: 70
  • Build Quality: 54.9
  • Productivity: 52.3
  • Customizability: 56.3
  • Portability: 69.7
Name
Redragon CASTOR K631 HE
Name
Redragon DRAGONBORN K630
Name
Redragon FIZZ K617
Release year
2026
Release year
2021
Release year
2021
Switch Options
Magnetic
Switch Options
Clicky, Tactile, Linear, Magnetic
Switch Options
Linear, Clicky
Profile
Normal Profile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
60%
Layout Size
60%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Standard
ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-IT, 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
Wired, Wired only
Connection
Wired, Wired only
Connection
Wired, Wired only
Polling Rate
8000 Hz
Polling Rate
-
Polling Rate
-
Battery capacity
-
Battery capacity
-
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
-
Mount Style
Bottom Mount
Mount Style
Bottom Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb
Backlight
 
Rgb
Case Colors
Case Colors
Case Colors
Case Material
Plastic
Case Material
Plastic
Case Material
Plastic
Keycaps Material
-
Keycaps Material
-
Keycaps Material
-
Dimensions
33 x 323 x 107 mm
Dimensions
36 x 99 x 36 mm
Dimensions
38 x 99 x 36 mm
Weight
638g
Weight
840g
Weight
590g
*Something incorrect or missing? Please
let me know
!

Product Description

The CASTOR K631 HE is a wired mechanical keyboard designed for gamers who prioritize ultra-fast input and precise control. It features Hall Effect magnetic switches, which reduce physical input delay and extend switch lifespan. This keyboard suits users needing highly responsive key actuation and customizable input behavior for timing-sensitive games.

Key Features

  • Hall Effect magnetic switches eliminate physical input delay and last twice as long as typical mechanical switches, improving responsiveness and durability.
  • Adjustable actuation point from 0.1 to 4.0 mm with 0.1 mm precision allows users to fine-tune key sensitivity for faster or more deliberate inputs.
  • 8,000 Hz polling rate reduces input lag by transmitting signals up to eight times faster than standard keyboards, benefiting fast-paced gameplay.
  • Software enables assigning two different actions to a single key based on actuation pressure, simplifying complex combos or skill sequences.

Compatibility

The keyboard supports Windows through a desktop client and offers web-based driver access for other operating systems, allowing full software customization without OS restrictions.

Use Cases

Ideal for competitive games requiring precise timing and rapid inputs, such as Valorant, CSGO, Apex Legends, and rhythm games like osu!. It helps improve accuracy, reaction speed, and complex command execution.

Trade-offs

  • Hall Effect switches may feel different from traditional mechanical switches, which might require an adjustment period.
  • Wired connection limits mobility compared to wireless options.
  • Software reliance for advanced features may not suit users who prefer plug-and-play setups.

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