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Head to head · Prices checked Nov 7, 2026

Redragon CASTOR K631 Pro vs Keychron Q1 V2

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Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631 Pro

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

Keychron Q1 V2

Build quality in the top 5% of 75% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No 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 Pro

Keychron Q1 V2

  • Layout size

    65%

    75%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Plastic

    Aluminum

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Mount style

    Bottom Mount

    Gasket Mount, Plate Mount

KeebFinder scores

How we score
  • Redragon CASTOR K631 Pro
  • Keychron Q1 V2
Performance
71
72
Build quality
56
89
Productivity
54
98
Customizability
58
98
Portability
85
62

What they share

  • Hot-swappable
See every spec side by side

Full specs

Redragon CASTOR K631 Pro vs Keychron Q1 V2 specs

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

18 of 27 specs differ

Redragon CASTOR K631 Pro

Keychron Q1 V2

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
Gasket Mount, Plate Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

65%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

—
1,000 Hz

Battery

1,600 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

—
Steel

Keycaps

ABS
ABS, PBT

Weight

470 g
1,825 g

Dimensions

40 x 309 x 104 mm
23 x 145 x 328 mm

Typing angle

—
5°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

No
Yes

Extras

Released

2026
2022

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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