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Head to head · Prices checked Oct 21, 2026

Redragon CASTOR K631 vs Ducky Tinker 65 ProjectD

Get the Ducky Tinker 65 ProjectD for qmk and via.

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

Ducky Tinker 65 ProjectD

  • Case material

    Plastic

    ABS, Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Mount style

    Bottom Mount

    Plate Mount

  • QMK

    No

    Yes

  • VIA

    No

    Yes

KeebFinder scores

How we score
  • Redragon CASTOR K631
  • Ducky Tinker 65 ProjectD
Performance
74
64
Build quality
59
82
Productivity
56
92
Customizability
65
93
Portability
73
75

What they share

  • Layout size: 65%
  • Connection: Wired
  • Hot-swappable
See every spec side by side

Full specs

Redragon CASTOR K631 vs Ducky Tinker 65 ProjectD specs

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

12 of 22 specs differ

Redragon CASTOR K631

Ducky Tinker 65 ProjectD

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
Plate Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Wired
Wired

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Plastic

Plate material

—
FR4, POM

Keycaps

ABS
PBT

Weight

430 g
—

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

No
Yes

Extras

Released

2023
2023

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    ~$47Visit
  • RedragonCN

    Out of stock
    $47Visit
  • MKUS

    In stock
    $42Visit
  • AmazonGlobal

    Check price
    ~$42Visit

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