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Head to head · Prices checked Nov 7, 2026

Azio IZO Numpad vs MMD KM40

Get the MMD KM40 for the 2,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Azio IZO Numpad

Build quality in the bottom 15% of Numpad boards under $100.

Rules this board out

  • Numpad only. This is not a full keyboard.

Get the

MMD KM40

Battery

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.

Azio IZO Numpad

MMD KM40

  • Layout size

    Numpad

    40%

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    1,000 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    Aluminum

  • Switch options

    Clicky, Linear

    Linear, Tactile

KeebFinder scores

How we score
  • Azio IZO Numpad
  • MMD KM40
Performance
59
61
Build quality
48
82
Productivity
59
69
Customizability
54
83
Portability
86
84

What they share

  • Hot-swappable
  • Keycaps: PBT
See every spec side by side

Full specs

Azio IZO Numpad vs MMD KM40 specs

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

13 of 22 specs differ

Azio IZO Numpad

MMD KM40

Typing & switches

Switch options

Clicky, Linear
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

Numpad
40%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Battery

1,000 mAh
2,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

221 g
620 g

Dimensions

42 x 150 x 92 mm
—

Backlight

White
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2021
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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