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Head to head · Prices checked Nov 11, 2026

Redragon CASTOR K631 vs Skyloong GK61

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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

Skyloong GK61

Build quality in the top 10% of 60% boards under $100.

Rules this board out

  • 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

Skyloong GK61

  • Layout size

    65%

    60%

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Ergonomics

    Standard

    Split Spacebar

  • Case material

    Plastic

    ABS, Aluminum, Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

KeebFinder scores

How we score
  • Redragon CASTOR K631
  • Skyloong GK61
Performance
71
65
Build quality
57
85
Productivity
55
88
Customizability
61
94
Portability
72
88

What they share

  • Hot-swappable
See every spec side by side

Full specs

Redragon CASTOR K631 vs Skyloong GK61 specs

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

15 of 23 specs differ

Redragon CASTOR K631

Skyloong GK61

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

65%
60%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Split Spacebar

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Battery

Wired only
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Aluminum, Plastic

Plate material

—
Steel

Keycaps

ABS
ABS, PBT

Weight

430 g
700 g

Dimensions

—
30 x 104 x 292 mm

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

No
Yes

Extras

Released

2023
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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