Fantech MAXFIT81 MK910 vs MMD KM21 Ultra
Get the Fantech MAXFIT81 MK910 for the 4,000 mAh battery.
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Which one should you get?
Get the
Fantech MAXFIT81 MK910
Battery
Build quality in the top 45% of 75% boards under $150.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No numpad.
Get the
MMD KM21 Ultra
Build quality in the top 15% of Numpad boards under $100.
- Numpad only. This is not a full keyboard.
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.
Fantech MAXFIT81 MK910
MMD KM21 Ultra
Layout size
75%
Numpad
Connection
Bluetooth, Wired, 2.4 GHz
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Battery
4,000 mAh
980 mAh
A larger battery means fewer cables during the day
Case material
ABS, Aluminum
Aluminum
Mount style
Gasket Mount
Top Mount
- Fantech MAXFIT81 MK910
- MMD KM21 Ultra
- Performance
- 6367
- Build quality
- 6882
- Productivity
- 8389
- Customizability
- 8289
- Portability
- 8186
- Hot-swappable
- Knob
- Sound dampening
Fantech MAXFIT81 MK910 vs MMD KM21 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 23 specs differ
Fantech MAXFIT81 MK910
MMD KM21 Ultra
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
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