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Head to head · Prices checked Oct 28, 2026

Keychron Q0 vs MMD KM40

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Keychron Q0 QMK Custom Number Pad

Keychron Q0

5.0 · 3 reviews

from$59at Keychron

90-day low

MMD KM40 - 40% Wireless Aluminium Keyboard

MMD KM40

5.0 · 4 reviews

from$84at MonacoKeys

Quick verdict

Which one should you get?

Get the

Keychron Q0

Build quality in the top 10% of 60% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Compact layout only. No function row, dedicated arrow keys, or 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.

Keychron Q0

MMD KM40

  • Layout size

    60%

    40%

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Switch options

    Clicky, Linear, Tactile

    Linear, Tactile

  • Mount style

    Tray Mount

    Gasket Mount

  • Weight

    2,200 g

    620 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Keychron Q0
  • MMD KM40
Performance
65
61
Build quality
85
83
Productivity
72
69
Customizability
92
84
Portability
69
84

What they share

  • Hot-swappable
  • Case material: Aluminum
  • QMK
  • VIA
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

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

Keychron Q0

5.0

3 owner reviews

Praise
“It's great to have the option to add a numpad for productivity, then move it off to the side when you need more desk space for gaming. This thing is built with quality materials and has very satisfying sound with each keystroke. I've used both Keychron banana…”
P.Z.· via Keychron

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

Keychron Q0 vs MMD KM40 specs

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

10 of 23 specs differ

Keychron Q0

MMD KM40

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Tray Mount
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

60%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

Wired only
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Steel
Polycarbonate

Keycaps

PBT
PBT

Weight

2,200 g
620 g

Dimensions

20 x 129 x 89 mm
—

Typing angle

5°
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

Extras

Released

2022
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.

Keychron Q03 stores
MMD KM402 stores

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