Epomaker EK21 vs MMD KM21 Ultra
Get the Epomaker EK21 for the 1,000 mAh battery. Get the MMD KM21 Ultra for qmk.
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 EK21
MMD KM21 Ultra
Battery
1,000 mAh
980 mAh
Case material
ABS
Aluminum
Mount style
Gasket Mount
Top Mount
QMK
No
Yes
Plate material
Polycarbonate
Plastic
- Epomaker EK21
- MMD KM21 Ultra
- Performance
- 7967
- Build quality
- 7782
- Productivity
- 8889
- Customizability
- 8289
- Portability
- 8886
- Layout size: Numpad
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Knob
- VIA
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Epomaker EK21
34 owner reviews
“Great wireless connectivity, sounds and feels as good as my 200$ custom keyboard. Great buy especially with the discount, would definitely buy again.”
“I have had this thing for years, I have updated to every Json file and firmware file I can find and it has NEVER worked right, Either the Json file or the firmware is jacked up and no one at Epomaker can give me any explanation. This numpad is the reason I…”
MMD KM21 Ultra
No owner reviews collected yet.
Epomaker EK21 vs MMD KM21 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 24 specs differ
Epomaker EK21
MMD KM21 Ultra
Switch options
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
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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