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

Head to head · Prices checked Oct 21, 2026

Cidoo V75 Plus vs MMD KM40

Get the Cidoo V75 Plus for the 3,000 mAh battery. Get the MMD KM40 for hot-swappable and qmk.

CIDOO V75 Plus VIA Keyboard Kit

Battery

Cidoo V75 Plus

4.6 · 10 reviews

from$129at Mechkeys

Shop nowSee all prices
MMD KM40 - 40% Wireless Aluminium Keyboard

Hot-swappable

MMD KM40

5.0 · 4 reviews

from$84at MonacoKeys

Shop nowSee all prices

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 V75 Plus

MMD KM40

  • Layout size

    75%

    40%

  • Hot-swappable

    No

    Yes

  • Battery

    3,000 mAh

    2,000 mAh

  • Display

    LED

    None

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • Cidoo V75 Plus
  • MMD KM40
Performance
41
61
Build quality
63
83
Productivity
58
69
Customizability
60
84
Portability
72
84

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • 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 V75 Plus

4.6

10 owner reviews

Praise
“This is a great quality keyboard. It is very solid feeling due to the aluminum body and the foams give it a beautiful sound. The software was pretty straightforward to use and I was able to load images to the mini screen with no problem.”
Christie C.Verified buyer· via Epomaker
Critique
“The keyboard sounds and feels really good. However, the Json file and compatibility with VIA was a terrible experience. I was unable to map any keys. The entire keyboard in VIA is offset, which won't let me map certain keys. I gave up on VIA and reset the…”
Khalid G.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 V75 Plus vs MMD KM40 specs

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

8 of 19 specs differ

Cidoo V75 Plus

MMD KM40

Typing & switches

Switch options

—
Linear, Tactile

Hot-swappable

No
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

LED
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
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

—
620 g

Backlight

None
RGB

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

Extras

Released

2023
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $129Visit
  • AmazonGlobal

    Check price
    ~$129Visit
MMD KM402 stores
  • MonacoKeysDE

    In stock
    $84Visit
  • AmazonGlobal

    Check price
    ~$84Visit

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.

Still torn?

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