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Head to head · Prices checked Oct 31, 2026

Epomaker LUMA100 vs MMD KM40

Get the Epomaker LUMA100 for the 3,000 mAh battery. Get the MMD KM40 for qmk.

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EPOMAKER LUMA100

Battery

Epomaker LUMA100

5.0 · 5 reviews

from$95at Epomaker

90-day low

MMD KM40 – Mechanische 40% Tastatur

QMK

MMD KM40

5.0 · 4 reviews

from$84at MonacoKeys

Quick verdict

Which one should you get?

Get the

Epomaker LUMA100

Battery

Build quality in the top 25% of 96% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

MMD KM40

QMK

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.

Epomaker LUMA100

MMD KM40

  • Layout size

    96%

    40%

  • Battery

    3,000 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    Yes

    No

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • Keycaps

    ABS

    PBT

KeebFinder scores

How we score
  • Epomaker LUMA100
  • MMD KM40
Performance
66
61
Build quality
77
83
Productivity
82
69
Customizability
73
83
Portability
54
84

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • Weight: 620 g
  • VIA
See every spec side by side

From real owners

What owners say

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

Epomaker LUMA100

5.0

5 owner reviews

Praise
“great keyboard. the O wasn’t working initially but i just swapped it out with the extras in the set. love the feel and customization of it”
Denny M.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

Epomaker LUMA100 vs MMD KM40 specs

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

7 of 23 specs differ

Epomaker LUMA100

MMD KM40

Typing & switches

Switch options

—
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Low profile

Yes
No

Sound dampening

Yes
Yes

Layout

Layout size

96%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

3,000 mAhBetter
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Polycarbonate
Polycarbonate

Keycaps

ABS
PBT

Weight

620 g
620 g

Dimensions

26 x 371 x 129 mm
—

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2026
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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