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Head to head · Prices checked Nov 7, 2026

Redragon CASTOR K631 HE vs Corsair K70 Max

Get the Redragon CASTOR K631 HE for rapid trigger. Get the Corsair K70 Max for knob and sound dampening.

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Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631 HE

Rapid trigger

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

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • 65% layout. No function row and no numpad.

Get the

Corsair K70 Max

Knob

Build quality in the bottom 40% of 100% boards at any price.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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

Corsair K70 Max

  • Layout size

    65%

    100%

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Case material

    Plastic

    Aluminum

  • Knob

    No

    Yes

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Redragon CASTOR K631 HE
  • Corsair K70 Max
Performance
91
83
Build quality
42
51
Productivity
48
67
Customizability
47
52
Portability
65
42

What they share

  • Hall effect (magnetic)
  • Connection: Wired
  • Max polling rate: 8,000 Hz
  • Switch options: Magnetic
See every spec side by side

Full specs

Redragon CASTOR K631 HE vs Corsair K70 Max specs

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

8 of 19 specs differ

Redragon CASTOR K631 HE

Corsair K70 Max

Typing & switches

Switch options

Magnetic
Magnetic

Hall effect (magnetic)

Yes
Yes

Rapid trigger

Yes
No

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

65%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Wired

Max polling rate

8,000 Hz
8,000 Hz

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Keycaps

—
PBT

Weight

638 g
—

Dimensions

33 x 323 x 107 mm
39 x 442 x 166 mm

Backlight

RGB
RGB, south-facing

Extras

Released

2026
2023

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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