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Head to head · Prices checked Nov 7, 2026

Redragon CASTOR K631 HE vs CASTOR K631 ProWired vs Wireless

Choose the K631 HE for competitive gaming performance and the K631 Pro for wireless freedom and switch customization.

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Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631 HE

Wired

Build quality in the bottom 5% of 65% boards under $50.

If you want

  • Hall Effect magnetic switches for near-instantaneous actuation without physical contact.
  • 8000 Hz hyper-polling rate for extremely low latency of up to 0.125 ms.
  • Rapid Trigger technology allows adjustable actuation points between 0.1 mm and 4.0 mm.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Get the

Redragon CASTOR K631 Pro

Wireless

Build quality in the bottom 35% of 65% boards under $50.

If you want

  • 3-mode connectivity including Bluetooth 3.0/5.0 and 2.4 GHz for hassle-free wire-free use.
  • Hot-swappable PCB supports 99.8%+ of 3-pin and 5-pin switches for easy customization.
  • Lighter weight of 470 g and includes a detachable strap for portable use.

Bottom line

Your choice comes down to your primary use case. If low latency and competitive gaming are your top priorities, the Redragon CASTOR K631 HE is the better pick with its Hall Effect switches and 8000 Hz polling. If you value wireless convenience and the ability to swap switches without soldering, the Redragon CASTOR K631 Pro is the more versatile keyboard for daily work, travel, and modding.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Redragon CASTOR K631 HE

Redragon CASTOR K631 Pro

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Switch options

    Magnetic

    Linear

KeebFinder scores

How we score
  • Redragon CASTOR K631 HE
  • Redragon CASTOR K631 Pro
Performance
91
71
Build quality
42
56
Productivity
48
54
Customizability
47
58
Portability
65
85

What they share

  • Layout size: 65%
  • Case material: Plastic
See every spec side by side

Best for

What will you mostly use it for?

For gaming, the K631 HE is the clear winner thanks to its Hall Effect switches and 8000 Hz polling. The K631 Pro wins for office and travel due to its multi-mode wireless connectivity and lighter weight. Programmers and content creators can go either way, as both share a 65% layout. Modders should strongly favor the K631 Pro for its hot-swap socket compatibility. The key trade-off is raw gaming speed versus versatile convenience.

For gaming

Pick the Redragon CASTOR K631 HE

  • Hall Effect magnetic switches eliminate physical input delay.
  • 8000 Hz hyper-polling provides up to 0.125 ms latency for faster response.
  • Rapid Trigger and adjustable actuation points (0.1-4.0 mm) for competitive play.
  • Vendor description highlights optimization for Valorant, CSGO, and APEX.

Full specs

Redragon CASTOR K631 HE vs CASTOR K631 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

8 of 20 specs differ

Redragon CASTOR K631 HE

Redragon CASTOR K631 Pro

Typing & switches

Switch options

Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

—
Bottom Mount

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
1,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Keycaps

—
ABS

Weight

638 g
470 g

Dimensions

33 x 323 x 107 mm
40 x 309 x 104 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
Yes

Extras

Released

2026
2026

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

FAQ

Redragon CASTOR K631 HE vs CASTOR K631 Pro: your questions

The Redragon CASTOR K631 HE is better for competitive FPS games. It uses Hall Effect magnetic switches combined with 8000 Hz hyper-polling for extremely low latency. The vendor specifically highlights optimization for games like Valorant and CSGO with rapid trigger support.

Yes, the K631 Pro supports wireless use through Bluetooth 3.0 and 5.0, as well as a 2.4 GHz connection. It has a 1600 mAh battery for cord-free operation in both modes.

No, the K631 HE does not feature a hot-swappable PCB based on the provided metadata. It comes with pre-installed Hall Effect magnetic switches and is not advertised as having hot-swap capability.

Hall Effect switches use magnets to register key presses, eliminating physical contact and input delay. The vendor for the K631 HE states this provides 10x faster actuation and a longer lifespan compared to traditional mechanical switches.

The Redragon CASTOR K631 Pro is more portable due to its lighter weight of 470 g and wireless connectivity. The product name includes "Detachable Strap Version," suggesting it is designed for easier carrying.

Yes, both the CASTOR K631 HE and CASTOR K631 Pro include RGB lighting. The K631 Pro's description mentions up to 20 presets and a music sync mode.

The K631 HE vendor description mentions a new web-based driver that allows operating systems other than Windows to access software features. For the K631 Pro, compatibility with Mac or Linux is not stated in the provided information.

The K631 Pro comes with Custom Dragon Chant Linear switches, which the vendor describes as quiet and suitable for both office and gaming. The PCB is hot-swappable, so you can replace them with other 3-pin or 5-pin switches.

Yes, the K631 HE has rapid trigger technology. The vendor states it allows the actuation point to be adjusted between 0.1 mm and 4.0 mm in 0.1 mm steps, enabling dynamic activation and deactivation.

The Redragon CASTOR K631 Pro is easier to customize. It has a hot-swappable socket that is compatible with 99.8% of switch types, allowing you to change switches without any soldering.

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