Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 7, 2026

Redragon CASTOR K631 HE vs Varmilo Minilo75 HE

Get the Varmilo Minilo75 HE for hot-swappable.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631 HE

Build quality in the bottom 5% of 65% boards under $50.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • 65% layout. No function row and no numpad.

Get the

Varmilo Minilo75 HE

Hot-swappable

Build quality in the bottom 10% of 75% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • No 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 HE

Varmilo Minilo75 HE

  • Layout size

    65%

    75%

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Plastic

    Metal, Plastic

  • Switch options

    Magnetic

    Clicky, Linear, Magnetic

  • Weight

    638 g

    850 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Redragon CASTOR K631 HE
  • Varmilo Minilo75 HE
Performance
91
93
Build quality
42
44
Productivity
48
76
Customizability
47
59
Portability
65
63

What they share

  • Hall effect (magnetic)
  • Rapid trigger
  • Connection: Wired
  • Max polling rate: 8,000 Hz
See every spec side by side

Full specs

Redragon CASTOR K631 HE vs Varmilo Minilo75 HE specs

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

10 of 23 specs differ

Redragon CASTOR K631 HE

Varmilo Minilo75 HE

Typing & switches

Switch options

Magnetic
Clicky, Linear, Magnetic

Hall effect (magnetic)

Yes
Yes

Rapid trigger

Yes
Yes

Hot-swappable

No
Yes

Mount style

—
Tray Mount

Sound dampening

No
Yes

Layout

Layout size

65%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Wired

Max polling rate

8,000 Hz
8,000 Hz

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Metal, Plastic

Plate material

—
Aluminum, Plastic, Silicone, Steel

Keycaps

—
PBT

Weight

638 g
850 g

Dimensions

33 x 323 x 107 mm
37 x 325 x 142 mm

Typing angle

—
8°

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2025

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.