Azio IZO Numpad vs MMD KM21 Ultra
Get the Azio IZO Numpad for the 1,000 mAh battery. Get the MMD KM21 Ultra for knob and qmk.
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 KM21 Ultra
Connection
Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired
Battery
1,000 mAh
980 mAh
Case material
Plastic
Aluminum
Knob
No
Yes
QMK
No
Yes
- Azio IZO Numpad
- MMD KM21 Ultra
- Performance
- 5967
- Build quality
- 4882
- Productivity
- 5989
- Customizability
- 5489
- Portability
- 8686
- Layout size: Numpad
- Hot-swappable
Azio IZO Numpad vs MMD KM21 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 23 specs differ
Azio IZO Numpad
MMD KM21 Ultra
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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