Compare Redragon CASTOR K631 HE vs NOVA K709 HE Differences Side by Side

This comparison is for budget-conscious gamers and typists looking at Redragon's entry into Hall Effect magnetic keyboards. Both the CASTOR K631 HE and NOVA K709 HE share core gaming specs like 8000Hz polling, rapid trigger, and adjustable actuation, making the decision difficult. The choice ultimately hinges on whether you prioritize a lower-cost, lighter package or are willing to pay a bit more for enhanced build materials and acoustic dampening.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2026 Has Magnetic switch options Built with the ANSI layout standard Weighs about 638 g Sized at 33 x 323 x 107 mm	Released in 2025 Has Magnetic, Clicky switch options Built with the ANSI, ISO layout standard Has built-in sound dampening Uses a Gasket Mount mounting style Weighs about 820 g Sized at 40 x 336 x 119 mm Features PBT, POM keycaps
Score	Scores Performance: 91.4 Build Quality: 42.2 Productivity: 47 Customizability: 45.8 Portability: 65.1	Scores Performance: 91.6 Build Quality: 61.8 Productivity: 57 Customizability: 49.4 Portability: 67.7
Name	Name Redragon CASTOR K631 HE	Name Redragon NOVA K709 HE
Release year	Release year 2026	Release year 2025
Switch Options	Switch Options Magnetic	Switch Options Magnetic, Clicky
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, ISO
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 8000 Hz	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 -	Mount Style Gasket Mount
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 -	Keycaps Material PBT, POM
Dimensions	Dimensions 33 x 323 x 107 mm	Dimensions 40 x 336 x 119 mm
Weight	Weight 638g	Weight 820g

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Pros and Trade-offs

If your primary goal is accessing Hall Effect and rapid trigger features at the lowest possible cost and weight, the Redragon CASTOR K631 HE is the logical choice. For all other users, especially those who type for long hours, value a quieter workspace, or enjoy a more premium build feel, the Redragon NOVA K709 HE is worth the additional investment for its sound dampening and superior materials.

Redragon CASTOR K631 HE

+Lower cost entry point for Hall Effect and rapid trigger technology.
+Lighter weight (638g) and slightly more compact dimensions for easier portability.
+Includes a portable strap and a nano receiver (though it's a wired keyboard) in the package.
+Shares the critical 8000Hz polling and rapid trigger features with the more expensive model.

−Lacks the multi-layer foam sound dampening system found in the NOVA model.
−Keycap material is not specified, potentially less durable than PBT/POM.
−Does not use a gasket mount design.
−Vendor description mentions a fabric strap, which may be less premium than other included items.

Redragon NOVA K709 HE

+Features a 5-layer noise dampening system with PO foam, IXPE foam, PET pad, and silicone.
+Uses higher-quality PBT and POM keycap materials for better durability and feel.
+Incorporates a gasket mount design for a potentially more flexible typing experience.
+Includes support for both ANSI and ISO layouts in its specifications.

−Heavier (820g) and larger than the CASTOR model.
−Comes at a higher price point.
−The vendor listing does not mention included accessories like a portable strap.

Which Keyboard Is Better for Your Needs?

The NOVA K709 HE holds a clear advantage for office use, modding, and content creation due to its superior acoustic treatment and keycap materials. For travel, the lighter and slightly more compact CASTOR K631 HE is the better pick. Gaming and programming are a tie, as both keyboards deliver identical core performance features, leaving the decision to secondary factors like sound preference and budget.

GamingTie

•Both feature 8000Hz hyper-polling for minimal latency.
•Both include Hall Effect magnetic switches with software-adjustable rapid trigger.
•Both support dual platform drivers for Windows and web-based configuration.

OfficeRedragon NOVA K709 HE

•The NOVA K709 HE's 5-layer noise dampening foam system makes it significantly quieter.
•It features PBT and POM keycaps, which are more durable against shine than typical ABS.
•Its listed layout support includes both ANSI and ISO, offering broader regional compatibility.

ProgrammingTie

•Both use a 65% layout, freeing up desk space but requiring adaptation for missing keys.
•Both offer the same core programmability through their dual-platform software.
•The typing experience may favor the NOVA for its sound dampening, but core functionality is identical.

TravelRedragon CASTOR K631 HE

•The CASTOR K631 HE is notably lighter at 638g compared to the NOVA's 820g.
•It has slightly smaller dimensions (323mm long vs 336mm).
•The vendor listing for the CASTOR includes a portable strap in the package.

ModdingRedragon NOVA K709 HE

•The NOVA K709 HE uses a gasket mount design, which typically offers a softer typing feel.
•It comes with a more extensive 5-layer foam system (PO foam, IXPE switch foam, PET pad, socket foam, silicone pad) for sound modders.
•It features POM keycaps, which are often preferred by enthusiasts for their sound and feel.

Content CreationRedragon NOVA K709 HE

•The quieter, dampened acoustics of the NOVA K709 HE are better for recording audio or streaming.
•The PBT/POM keycap material is more resistant to wear and shine during long usage sessions.
•The gasket mount and foam layers may provide a more consistent and comfortable typing experience for long periods.