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Head to head · Prices checked Nov 11, 2026

Sikakeyb Castle HM66 vs KBDFans TOFU65 V2 Vior

Get the Sikakeyb Castle HM66 for hall effect and rapid trigger. Get the KBDFans TOFU65 V2 Vior for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Sikakeyb Castle HM66

Hall effect

Build quality in the bottom 10% of 65% boards under $300.

Rules this board out

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

Get the

KBDFans TOFU65 V2 Vior

Hot-swappable

Build quality in the top 50% of 65% boards under $300.

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.

Sikakeyb Castle HM66

KBDFans TOFU65 V2 Vior

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Sound dampening

    Yes

    No

  • Plate material

    Aluminum

    Aluminum, Polycarbonate

KeebFinder scores

How we score
  • Sikakeyb Castle HM66
  • KBDFans TOFU65 V2 Vior
Performance
86
47
Build quality
43
65
Productivity
52
52
Customizability
47
57
Portability
63
71

What they share

  • Layout size: 65%
  • Connection: Wired
  • Case material: Aluminum
See every spec side by side

Full specs

Sikakeyb Castle HM66 vs KBDFans TOFU65 V2 Vior specs

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

8 of 21 specs differ

Sikakeyb Castle HM66

KBDFans TOFU65 V2 Vior

Typing & switches

Switch options

Magnetic
—

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Wired

Max polling rate

8,000 Hz
—

USB-C

No
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Aluminum
Aluminum, Polycarbonate

Keycaps

PBT
—

Weight

630 g
—

Dimensions

37 x 103 x 294 mm
—

Typing angle

—
7°

Backlight

RGB
None

Extras

Released

2024
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.

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