sam Notfromsam S46 R3 vs MMD KM40
Get the MMD KM40 for qmk and usb-c.
![[Group-Buy] Notfromsam S46 R3 - Barebones Keyboard Kit](https://cdn.shopify.com/s/files/1/0064/2560/8282/files/converted_5472x3648_0496e083-0b81-48b7-918b-9b651521a990.jpg?v=1777339940&width=3840&quality=75)
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.
sam Notfromsam S46 R3
MMD KM40
Case material
Aluminum, Copper, Polycarbonate
Aluminum
Mount style
Top Mount
Gasket Mount
Weight
600 g
620 g
QMK
No
Yes
USB-C
No
Yes
- sam Notfromsam S46 R3
- MMD KM40
- Performance
- 6261
- Build quality
- 8283
- Productivity
- 6069
- Customizability
- 7984
- Portability
- 8084
- Layout size: 40%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- VIA
- Sound dampening
- Plate material: Polycarbonate
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
sam Notfromsam S46 R3
No owner reviews collected yet.
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”
sam Notfromsam S46 R3 vs MMD KM40 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
5 of 21 specs differ
sam Notfromsam S46 R3
MMD KM40
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
Released
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