Keychron Q0 vs MMD KM21 Ultra
Get the MMD KM21 Ultra for knob and sound dampening.
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.
Keychron Q0
MMD KM21 Ultra
Layout size
60%
Numpad
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Mount style
Tray Mount
Top Mount
Knob
No
Yes
Sound dampening
No
Yes
- Keychron Q0
- MMD KM21 Ultra
- Performance
- 6367
- Build quality
- 8582
- Productivity
- 7289
- Customizability
- 9289
- Portability
- 6886
- Hot-swappable
- Case material: Aluminum
- QMK
- VIA
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron Q0
3 owner reviews
“It's great to have the option to add a numpad for productivity, then move it off to the side when you need more desk space for gaming. This thing is built with quality materials and has very satisfying sound with each keystroke. I've used both Keychron banana…”
MMD KM21 Ultra
No owner reviews collected yet.
Keychron Q0 vs MMD KM21 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 25 specs differ
Keychron Q0
MMD KM21 Ultra
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.