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Head to head · Prices checked Oct 30, 2026

Redragon ANTONIUM K743 Pro vs MMD KM40

Get the Redragon ANTONIUM K743 Pro for knob.

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Quick verdict

Which one should you get?

Get the

Redragon ANTONIUM K743 Pro

Knob

Build quality in the top 20% of 80% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

Get the

MMD KM40

Build quality in the top 10% of 40% boards under $150.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or 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 ANTONIUM K743 Pro

MMD KM40

  • Layout size

    80%

    40%

  • Case material

    Plastic

    Aluminum

  • Switch options

    Linear

    Linear, Tactile

  • Knob

    Yes

    No

  • Display

    TFT

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Redragon ANTONIUM K743 Pro
  • MMD KM40
Performance
78
61
Build quality
76
83
Productivity
91
69
Customizability
78
83
Portability
70
84

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Redragon ANTONIUM K743 Pro vs MMD KM40 specs

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

13 of 25 specs differ

Redragon ANTONIUM K743 Pro

MMD KM40

Typing & switches

Switch options

Linear
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

80%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

—
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

920 g
620 g

Dimensions

37 x 373 x 140 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
2026

Where to buy

Compare prices

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

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MMD KM402 stores

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