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Head to head · Prices checked Oct 21, 2026

MelGeek Mojopad Numpad vs MMD KM21 Ultra

Get the MelGeek Mojopad Numpad for the 2,500 mAh battery. Get the MMD KM21 Ultra for knob.

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.

MelGeek Mojopad Numpad

MMD KM21 Ultra

  • Connection

    2.4 GHz, Wired

    Bluetooth, 2.4 GHz, Wired

  • Battery

    2,500 mAh

    980 mAh

  • Case material

    ABS, Plastic

    Aluminum

  • Mount style

    Gasket Mount

    Top Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • MelGeek Mojopad Numpad
  • MMD KM21 Ultra
Performance
57
67
Build quality
72
82
Productivity
81
89
Customizability
75
89
Portability
89
86

What they share

  • Layout size: Numpad
  • Hot-swappable
  • Sound dampening
  • Plate material: Plastic
See every spec side by side

Full specs

MelGeek Mojopad Numpad vs MMD KM21 Ultra specs

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

11 of 22 specs differ

MelGeek Mojopad Numpad

MMD KM21 Ultra

Typing & switches

Switch options

Clicky, Tactile
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Top Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

2,500 mAhBetter
980 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
Aluminum

Plate material

Plastic
Plastic

Keycaps

ABS
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2026

Where to buy

Compare prices

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

  • AmazonGlobal

    Check price
    ~$84Visit
  • MKUS

    Out of stock
    $84Visit
  • AposUS

    Out of stock
    $89Visit
  • MonacoKeysDE

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit

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