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

Head to head · Prices checked Nov 13, 2026

Dagk Alloy40 Pro vs MMD KM40

Get the Dagk Alloy40 Pro for the 2,500 mAh battery. Get the MMD KM40 for qmk and via.

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

Dagk Alloy40 Pro

Battery

Build quality in the bottom 50% of 40% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

MMD KM40

QMK

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

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.

Dagk Alloy40 Pro

MMD KM40

  • Battery

    2,500 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Weight

    450 g

    620 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Dagk Alloy40 Pro
  • MMD KM40
Performance
56
60
Build quality
64
82
Productivity
60
69
Customizability
75
83
Portability
89
83

What they share

  • Layout size: 40%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
See every spec side by side

Full specs

Dagk Alloy40 Pro vs MMD KM40 specs

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

9 of 21 specs differ

Dagk Alloy40 Pro

MMD KM40

Typing & switches

Switch options

—
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

40%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Battery

2,500 mAhBetter
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

FR4
Polycarbonate

Keycaps

—
PBT

Weight

450 g
620 g

Dimensions

21 x 239 x 87 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

Mac & Windows

Yes
No

Extras

Released

2023
2026

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.

MMD KM402 stores

Still torn?

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