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Head to head · Prices checked Oct 31, 2026

AULA F99 Pro vs MMD KM40

Get the AULA F99 Pro for the 8,000 mAh battery and knob.

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EPOMAKER x AULA F99 Pro

Battery

AULA F99 Pro

4.7 · 41 reviews

from$68at Epomaker

90-day low

MMD KM40 – Mechanische 40% Tastatur

MMD KM40

5.0 · 4 reviews

from$84at MonacoKeys

Quick verdict

Which one should you get?

Get the

AULA F99 Pro

Battery

Build quality in the bottom 50% of 96% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

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.

AULA F99 Pro

MMD KM40

  • Layout size

    96%

    40%

  • Battery

    8,000 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum

  • Switch options

    Linear

    Linear, Tactile

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • AULA F99 Pro
  • MMD KM40
Performance
66
61
Build quality
62
83
Productivity
83
69
Customizability
66
83
Portability
63
84

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • 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.

AULA F99 Pro

4.7

41 owner reviews

Praise
“I got the Aula F99 pro 2 of them and 2 of the Aula black mice. Most amazing keyboard and mouse. I use them with my Galaxy phone with Samsung Dex, as well my gaming pc.”
Garrick A.Verified buyer· via Epomaker
Critique
“JUNK GARBAGE TRASH. What can I say. I cant type on it and I cant use it. TOSSING IT”
Squirrelnutz· 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

AULA F99 Pro vs MMD KM40 specs

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

12 of 22 specs differ

AULA F99 Pro

MMD KM40

Typing & switches

Switch options

Linear
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

96%
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

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

Battery

8,000 mAhBetter
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

Plastic, Polycarbonate
Polycarbonate

Keycaps

—
PBT

Weight

1,023 g
620 g

Dimensions

43 x 146 x 390 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

Mac & Windows

Yes
No

Extras

Released

2024
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.

AULA F99 Pro3 stores
MMD KM402 stores

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