DOIO KBGM H07A vs MMD KM21 Ultra
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.
DOIO KBGM H07A
MMD KM21 Ultra
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Case material
Acrylic, Aluminum
Aluminum
Knob
No
Yes
Display
OLED
None
QMK
No
Yes
- DOIO KBGM H07A
- MMD KM21 Ultra
- Performance
- 6067
- Build quality
- 6482
- Productivity
- 6189
- Customizability
- 7289
- Portability
- 7686
- Layout size: Numpad
- Hot-swappable
DOIO KBGM H07A vs MMD KM21 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 21 specs differ
DOIO KBGM H07A
MMD KM21 Ultra
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
Mac & Windows
Released
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