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Head to head · Prices checked Nov 11, 2026

Unity Community vs MMD KM40

Get the Unity Community for knob. Get the MMD KM40 for hot-swappable and sound dampening.

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Quick verdict

Which one should you get?

Get the

Unity Community

Knob

Build quality in the bottom 50% of 40% boards under $200.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

MMD KM40

Hot-swappable

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.

Unity Community

MMD KM40

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Ergonomics

    Split Spacebar

    Standard

  • Knob

    Yes

    No

  • Sound dampening

    No

    Yes

  • Released

    2024

    2026

KeebFinder scores

How we score
  • Unity Community
  • MMD KM40
Performance
56
60
Build quality
72
82
Productivity
50
69
Customizability
74
83
Portability
62
84

What they share

  • Layout size: 40%
  • Case material: Aluminum
  • QMK
  • VIA
  • Keycaps: PBT
See every spec side by side

Full specs

Unity Community vs MMD KM40 specs

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

6 of 20 specs differ

Unity Community

MMD KM40

Typing & switches

Switch options

—
Linear, Tactile

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

40%
40%

Layout standard

ANSI
ANSI

Ergonomics

Split Spacebar
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

—
Bluetooth, 2.4 GHz, Wired

Battery

—
2,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

—
620 g

Backlight

RGB
RGB

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

Extras

Released

2024
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

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