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Head to head · Prices checked Oct 21, 2026

MMD KM21 Ultra vs Meletrix ZoomPad TIGA

Get the MMD KM21 Ultra for the 980 mAh battery and knob. Get the Meletrix ZoomPad TIGA for hall effect.

Meletrix ZoomPad TIGA Aluminum Barebones Numpad DIY Kit Group Buy

Hall effect

Meletrix ZoomPad TIGA

from$100

90-day low

Check priceSee all prices

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.

MMD KM21 Ultra

Meletrix ZoomPad TIGA

  • Hall effect (magnetic)

    No

    Yes

  • Battery

    980 mAh

    600 mAh

  • Mount style

    Top Mount

    Plate Mount, Top Mount

  • Knob

    Yes

    No

  • Plate material

    Plastic

    Aluminum, FR4, Plastic, Polycarbonate, POM

KeebFinder scores

How we score
  • MMD KM21 Ultra
  • Meletrix ZoomPad TIGA
Performance
67
83
Build quality
82
83
Productivity
89
85
Customizability
89
94
Portability
86
88

What they share

  • Layout size: Numpad
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • QMK
  • VIA
See every spec side by side

Full specs

MMD KM21 Ultra vs Meletrix ZoomPad TIGA specs

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

9 of 23 specs differ

MMD KM21 Ultra

Meletrix ZoomPad TIGA

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hall effect (magnetic)

No
Yes

Hot-swappable

Yes
Yes

Mount style

Top Mount
Plate Mount, Top Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Battery

980 mAhBetter
600 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Plastic
Aluminum, FR4, Plastic, Polycarbonate, POM

Typing angle

—
7°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MonacoKeysDE

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit
  • AmazonGlobal

    Check price
    ~$100Visit
  • MKUS

    Out of stock
    $100Visit
  • MeletrixCN

    Out of stock
    $105Visit

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.

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