Compare Redragon CASTOR K631 vs CASTOR K631 HE Differences Side by Side

This comparison is for budget-minded users choosing between two nearly identical 65% Redragon keyboards at a similar price point. The decision is hard because both share the same compact wired layout, plastic case, and ABS keycaps, but they differ fundamentally in switch technology. The standard K631 offers the flexibilty of hot-swappable linear switches for modding, while the K631 HE uses Hall Effect magnetic switches with Rapid Trigger for competitive gaming. Your choice hinges on whether you value customizability and a lighter build, or cutting-edge gaming response features.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2022 Has Linear switch options Supports hot-swappable switches Features N-key rollover Uses a Bottom Mount mounting style Weighs about 430 g Features ABS keycaps	Released in 2026 Has Magnetic switch options Utilizes Hall effect sensors Enables rapid trigger functionality Runs at a 8000 Hz polling rate Weighs about 638 g Sized at 33 x 323 x 107 mm
Score	Scores Performance: 71.2 Build Quality: 56.7 Productivity: 54.1 Customizability: 60.2 Portability: 71.5	Scores Performance: 91.4 Build Quality: 42.3 Productivity: 47.1 Customizability: 45.7 Portability: 65.2
Name	Name Redragon CASTOR K631	Name Redragon CASTOR K631 HE
Release year	Release year 2022	Release year 2026
Switch Options	Switch Options Linear	Switch Options Magnetic
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 65%	Layout Size 65%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	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	Connection Wired, Wired only	Connection Wired, Wired only
Polling Rate	Polling Rate -	Polling Rate 8000 Hz
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 -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic	Case Material Plastic
Keycaps Material	Keycaps Material ABS	Keycaps Material -
Dimensions	Dimensions -	Dimensions 33 x 323 x 107 mm
Weight	Weight 430g	Weight 638g

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Pros and Trade-offs

For competitive gamers who want the fastest possible response, the K631 HE with its Hall Effect switches and 8000 Hz polling is the better buy. If you need a versatile keyboard for typing, modding, or general office use with the potential to swap switches, the standard K631 offers more flexibility at a similar cost. Both are budget-friendly wired 65% boards, but the HE focuses on raw gaming performance while the standard model prioritizes customization.

Redragon CASTOR K631

+Hot-swappable PCB accepts 3-pin and 5-pin switches, according to the vendor, enabling easy modding.
+Weighs only 430g, making it the lighter and more portable option.
+Comes with Outemu Red linear switches that the vendor describes as quiet and suitable for office and gaming.
+Includes accessories like a keycap puller, switch puller, and 4 extra red switches in the box.
+Full N-Key rollover with 100% anti-ghosting for reliable key registration.

−Switches are soldered-in hot-swap sockets, but the PCB is a bottom mount with limited flex.
−ABS keycaps may develop shine over time with heavy use.
−No wireless connectivity options, only wired via USB-C.

Redragon CASTOR K631 HE

+Hall Effect magnetic switches with Rapid Trigger allow actuation point adjustment between 0.1mm and 4.0mm.
+Native 8000 Hz polling rate delivers up to 0.125ms latency for competitive gaming.
+2-in-1 key action function lets you assign two actions to one key based on pressure.
+Includes a portable carrying strap and a nano receiver for potential wireless use (though primary connectivity is wired).
+Dual platform driver support via web browser, per the vendor, not just Windows desktop software.

−Magnetic switches are not hot-swappable with standard mechanical switches, limiting aftermarket options.
−Heavier at 638g, making it less portable than the standard K631.
−No dedicated software for macros or lighting is mentioned, only web-based driver support.
−Switch lifespan is listed as 10M+ clicks on the vendor page, which is shorter than some mechanical switches.

Which Keyboard Is Better for Your Needs?

The K631 HE is the clear winner for gaming, thanks to its Hall Effect switches with Rapid Trigger and 8000 Hz polling that provide speed and precision. The standard K631 takes the lead in office, programming, travel, and modding due to its hot-swappable switch compatibility, lighter weight, and quiet linear switches. For content creation, the two keyboards are essentially tied, sharing the same compact layout and software-controlled RGB capabilities. The HE's advanced features only matter for competitive gaming, while the standard model offers more versatility for typing and customization.

GamingRedragon CASTOR K631 HE

•Hall Effect magnetic switches with Rapid Trigger for precise actuation adjustment between 0.1mm and 4.0mm.
•Native 8000 Hz polling rate for up to 0.125ms latency, 8x faster than standard keyboards.
•2-in-1 key action function allows two different movements on one key based on actuation pressure.

OfficeRedragon CASTOR K631

•Hot-swappable Outemu Red linear switches are described as quiet and suitable for office use by the vendor.
•Lighter weight at 430g makes it easier to move around a desk.
•Hot-swap capability allows swapping to silent switches without soldering.

ProgrammingRedragon CASTOR K631

•Hot-swappable design lets programmers install tactile or clicky switches for better typing feedback.
•N-Key rollover ensures every keypress in a complex chord is registered.
•Wired connection eliminates any wireless latency concerns for code entry.

TravelRedragon CASTOR K631

•Significantly lighter at 430g compared to the 638g K631 HE.
•Compact 65% layout saves desk space, but the standard K631's lower weight makes it more portable.
•No wireless battery to charge, but the lighter weight is a key advantage for travel.

ModdingRedragon CASTOR K631

•Hot-swappable PCB accepts almost all 3-pin and 5-pin switches on the market, per the vendor.
•Comes with a keycap puller, switch puller, and 4 spare Outemu red switches in the box.
•Bottom mount plastic case is straightforward to disassemble for foam mods or case swaps.

Content CreationTie

•Both keyboards have the same 65% layout, freeing up mouse space for editing timelines.
•Both offer per-key RGB lighting with software support for custom effects.
•Neither keyboard provides a dedicated number pad or macro keys for video editing shortcuts.