Epomaker HE30 vs MMD KM21 Ultra
Get the Epomaker HE30 for hall effect. Get the MMD KM21 Ultra for hot-swappable.
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4.3 (4)4.3 · 4 reviews
from$29at Epomaker
90-day lowLowest price in 90 days
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from$89at MonacoKeys
Which one should you get?
Get the
Epomaker HE30
Hall effect
Build quality in the top 45% of Numpad boards under $50.
- Magnetic switches only. Standard MX switches will not fit.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
MMD KM21 Ultra
Hot-swappable
Build quality in the top 15% of Numpad boards under $100.
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.
Epomaker HE30
MMD KM21 Ultra
Hall effect (magnetic)
Yes
No
Adjustable actuation helps in games and not in normal typing
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Hot-swappable
No
Yes
Switch changes without soldering
Case material
Plastic
Aluminum
Mount style
Tray Mount
Top Mount
- Epomaker HE30
- MMD KM21 Ultra
- Performance
- 8866
- Build quality
- 6481
- Productivity
- 7389
- Customizability
- 5789
- Portability
- 7085
- Layout size: Numpad
- Sound dampening
Epomaker HE30 vs MMD KM21 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 26 specs differ
Epomaker HE30
MMD KM21 Ultra
Switch options
Hall effect (magnetic)
Hot-swappable
Mount style
Sound dampening
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
N-key rollover
Mac & Windows
Released
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