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 KM40
KEEBD Reviung 39 II
Case material
Aluminum
Acrylic, Plastic
Switch options
Linear, Tactile
Tactile
QMK
Yes
No
VIA
Yes
No
Sound dampening
Yes
No
- MMD KM40
- KEEBD Reviung 39 II
- Performance
- 6142
- Build quality
- 8345
- Productivity
- 6949
- Customizability
- 8474
- Portability
- 8464
- Layout size: 40%
- Hot-swappable
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
MMD KM40
4 owner reviews
“Keycaps are dyesub, but still PBT Tactile switches feature a proper tactile feeling with great typing experience The case feels and looks really premium layer activation could be nicer but in the end you just gotta get used to the board”
KEEBD Reviung 39 II
No owner reviews collected yet.
MMD KM40 vs KEEBD Reviung 39 II specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 20 specs differ
MMD KM40
KEEBD Reviung 39 II
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Display
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Backlight
QMK
VIA
Released
Compare prices
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