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Head to head · Prices checked Nov 10, 2026

Cidoo ABM066 Alice vs MMD KM40

Get the Cidoo ABM066 Alice for the 3,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Cidoo ABM066 Alice

Battery

Build quality in the top 30% of 65% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • 65% layout. No function row and 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.

Cidoo ABM066 Alice

MMD KM40

  • Layout size

    65%

    40%

  • Connection

    Wireless

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    3,000 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Alice

    Standard

  • Switch options

    Clicky, Silent

    Linear, Tactile

KeebFinder scores

How we score
  • Cidoo ABM066 Alice
  • MMD KM40
Performance
53
60
Build quality
77
82
Productivity
76
69
Customizability
87
83
Portability
80
84

What they share

  • Hot-swappable
  • Mount style: Gasket Mount
  • VIA
  • Sound dampening
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Cidoo ABM066 Alice

3.5

23 owner reviews

Praise
“Very high quality plasitc, amazing layout. You do have to get used to it but after that its great. Software for the screen could be improved. Sounds great without mods”
Gideon d.Verified buyer· via Epomaker
Critique
“The video says enough! This was supposed to be aluminum! There was nothing specifying on the website but the box said it was aluminum on the release video. Cheap abs plastic! This is a scam!”
Kambria L.Verified buyer· via Epomaker

MMD KM40

5.0

4 owner reviews

Praise
“Keycaps are dyesub, but still PBT Tactile switches feature a proper tactile feeling with great typing experience The case feels and looks really premium layer activation could be nicer but in the end you just gotta get used to the board”
Andi· via MonacoKeys

Full specs

Cidoo ABM066 Alice vs MMD KM40 specs

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

14 of 23 specs differ

Cidoo ABM066 Alice

MMD KM40

Typing & switches

Switch options

Clicky, Silent
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

65%
40%

Layout standard

ANSI
ANSI

Ergonomics

Alice
Standard

Knob

Yes
No

Display

Yes
None

Connectivity & battery

Connection

Wireless
Bluetooth, 2.4 GHz, Wired

Battery

3,000 mAhBetter
2,000 mAh

USB-C

No
Yes

Build & materials

Case material

—
Aluminum

Plate material

—
Polycarbonate

Keycaps

—
PBT

Weight

700 g
620 g

Dimensions

40 x 121 x 371 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

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.

Lowest price across stores, Amazon excluded.

MMD KM402 stores

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