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Head to head · Prices checked Nov 11, 2026

Redragon CASTOR K631 vs Zerodate K61

Get the Zerodate K61 for hall effect.

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Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631

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

Rules this board out

  • 65% layout. No function row and no numpad.

Get the

Zerodate K61

Hall effect

Build quality in the top 20% of 60% boards under $50.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

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

Zerodate K61

  • Layout size

    65%

    60%

  • Hall effect (magnetic)

    No

    Yes

    Adjustable actuation helps in games and not in normal typing

  • Case material

    Plastic

    ABS

  • Switch options

    Linear

    Linear, Magnetic

  • Weight

    430 g

    480 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Redragon CASTOR K631
  • Zerodate K61
Performance
71
84
Build quality
57
74
Productivity
55
66
Customizability
61
86
Portability
72
66

What they share

  • Connection: Wired
  • Hot-swappable
  • Keycaps: ABS
See every spec side by side

Full specs

Redragon CASTOR K631 vs Zerodate K61 specs

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

9 of 19 specs differ

Redragon CASTOR K631

Zerodate K61

Typing & switches

Switch options

Linear
Linear, Magnetic

Hall effect (magnetic)

No
Yes

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
—

Layout

Layout size

65%
60%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Wired

USB-C

Yes
No

Build & materials

Case material

Plastic
ABS

Keycaps

ABS
ABS

Weight

430 g
480 g

Dimensions

—
40 x 290 x 101 mm

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Extras

Released

2023
2025

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.

Zerodate K612 stores

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