MMD EIF68 Alice vs KM21 Ultra
Get the MMD EIF68 Alice for the 8,000 mAh battery. Get the MMD KM21 Ultra for knob.
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 EIF68 Alice
MMD KM21 Ultra
Battery
8,000 mAh
980 mAh
Ergonomics
Alice
Standard
Mount style
Gasket Mount
Top Mount
Knob
No
Yes
Plate material
Polycarbonate
Plastic
- MMD EIF68 Alice
- MMD KM21 Ultra
- Performance
- 6367
- Build quality
- 8182
- Productivity
- 8889
- Customizability
- 8689
- Portability
- 9486
- Layout size: Numpad
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Case material: Aluminum
- QMK
- VIA
MMD EIF68 Alice vs KM21 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
5 of 20 specs differ
MMD EIF68 Alice
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
Backlight
QMK
VIA
Mac & Windows
Released
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