Ajazz AK820 Pro vs MMD KM40
Get the Ajazz AK820 Pro for the 4,000 mAh battery and knob.
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4.6 (256)4.6 · 256 reviews
from$55at Epomaker
90-day lowLowest price in 90 days
5.0 (4)5.0 · 4 reviews
from$84at MonacoKeys
Which one should you get?
Get the
Ajazz AK820 Pro
Battery
Build quality in the bottom 50% of 75% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No numpad.
Get the
MMD KM40
Build quality in the top 10% of 40% boards under $150.
- Compact layout only. No function row, dedicated arrow keys, or numpad.
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.
Ajazz AK820 Pro
MMD KM40
Layout size
75%
40%
Battery
4,000 mAh
2,000 mAh
A larger battery means fewer cables during the day
Case material
ABS, Aluminum
Aluminum
Switch options
Linear
Linear, Tactile
Knob
Yes
No
- Ajazz AK820 Pro
- MMD KM40
- Performance
- 6161
- Build quality
- 6583
- Productivity
- 8269
- Customizability
- 7283
- Portability
- 7984
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Mount style: Gasket Mount
- Sound dampening
- Plate material: Polycarbonate
- Keycaps: PBT
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Ajazz AK820 Pro
256 owner reviews
“It's a nice keyboard, has a nice sound when typing. I like the dedicated volume know and it's easy to load gifs onto the little screen using the ajazz software”
“So recently i started to notice my w key stop completely and have to press again and again for the input, please can you assist me in this matter”
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”
Ajazz AK820 Pro vs MMD KM40 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 23 specs differ
Ajazz AK820 Pro
MMD KM40
Switch options
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
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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Lowest price across stores, Amazon excluded.
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