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

Head to head · Prices checked Nov 11, 2026

ptdc Cheerz vs MMD KM40

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.

[Shipping, Inventory available soon] Cheerz 40% Keyboard Kit by ptdc

No reviews

$139at zFrontier

90-day low

Quick verdict

Which one should you get?

Get the

ptdc Cheerz

Build quality in the top 25% of 40% boards under $150.

Get the

MMD KM40

QMK

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

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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.

ptdc Cheerz

MMD KM40

  • Ergonomics

    Ortholinear, Alice

    Standard

  • Case material

    Acrylic, Aluminum

    Aluminum

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

  • Layout standard

    ISO

    ANSI

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • ptdc Cheerz
  • MMD KM40
Performance
47
60
Build quality
79
82
Productivity
77
69
Customizability
70
83
Portability
85
84

What they share

  • Layout size: 40%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

ptdc Cheerz vs MMD KM40 specs

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

8 of 21 specs differ

ptdc Cheerz

MMD KM40

Typing & switches

Switch options

—
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

40%
40%

Layout standard

ISO
ANSI

Ergonomics

Ortholinear, Alice
Standard

Display

None
None

Connectivity & battery

Connection

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

Battery

—
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Acrylic, Aluminum
Aluminum

Plate material

—
Polycarbonate

Keycaps

—
PBT

Weight

—
620 g

Typing angle

9°
—

Backlight

None
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

VIAL

Yes
No

Extras

Released

2025
2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

ptdc Cheerz

  • zFrontier

    ISO

    Out of stockShips to you

MMD KM40

No ISO layout at the stores we track.

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.

ptdc Cheerz2 stores
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.