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Head to head · Prices checked Oct 28, 2026

Redragon CASTOR K631 HE vs KBDFans TOFU65 V3

Get the Redragon CASTOR K631 HE for rapid trigger. Get the KBDFans TOFU65 V3 for hot-swappable and via.

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Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631 HE

Rapid trigger

Build quality in the bottom 10% of 65% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Get the

KBDFans TOFU65 V3

Hot-swappable

Build quality in the top 5% of 65% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

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

KBDFans TOFU65 V3

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Plastic

    Aluminum, Copper, Steel

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • Redragon CASTOR K631 HE
  • KBDFans TOFU65 V3
Performance
92
81
Build quality
43
92
Productivity
48
82
Customizability
47
82
Portability
66
85

What they share

  • Layout size: 65%
  • Hall effect (magnetic)
  • Max polling rate: 8,000 Hz
See every spec side by side

Full specs

Redragon CASTOR K631 HE vs KBDFans TOFU65 V3 specs

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

9 of 24 specs differ

Redragon CASTOR K631 HE

KBDFans TOFU65 V3

Typing & switches

Switch options

Magnetic
—

Hall effect (magnetic)

Yes
Yes

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

—
Gasket Mount, Top Mount

Sound dampening

No
Yes

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, Wired

Max polling rate

8,000 Hz
8,000 Hz

Battery

Wired only
1,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum, Copper, Steel

Plate material

—
Aluminum, CarbonFiber, FR4, Polycarbonate

Weight

638 g
—

Dimensions

33 x 323 x 107 mm
—

Typing angle

—
9°

Backlight

RGB
None

Firmware & software

VIA

No
Yes

VIAL

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2026

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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