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Head to head · Prices checked Nov 11, 2026

KBDFans Tofu65 3.0 vs Redragon CASTOR K631 Pro SE

Get the KBDFans Tofu65 3.0 for the 2,000 mAh battery.

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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.

KBDFans Tofu65 3.0

Redragon CASTOR K631 Pro SE

  • Connection

    Wired, Wireless

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    2,000 mAh

    1,600 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Copper, Steel

    Plastic

  • Mount style

    Gasket Mount, Plate Mount

    Bottom Mount

  • Display

    LED

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • KBDFans Tofu65 3.0
  • Redragon CASTOR K631 Pro SE
Performance
48
70
Build quality
92
51
Productivity
65
49
Customizability
82
56
Portability
80
83

What they share

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

Full specs

KBDFans Tofu65 3.0 vs Redragon CASTOR K631 Pro SE specs

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

13 of 23 specs differ

KBDFans Tofu65 3.0

Redragon CASTOR K631 Pro SE

Typing & switches

Switch options

—
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount, Plate Mount
Bottom Mount

Sound dampening

Yes
No

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

LED
None

Connectivity & battery

Connection

Wired, Wireless
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

2,000 mAhBetter
1,600 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum, Copper, Steel
Plastic

Plate material

Aluminum, CarbonFiber, FR4, Polycarbonate
—

Keycaps

—
ABS

Weight

—
470 g

Dimensions

17 x 312 x 35 mm
40 x 309 x 104 mm

Typing angle

9°
—

Backlight

None
RGB

Firmware & software

VIA

Yes
No

VIAL

Yes
No

N-key rollover

No
Yes

Extras

Released

2026
2023

Where to buy

Compare prices

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

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

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