-13% off
93
Overall/ Value
92.8Build Quality
88.7Customizability
97.5Performance
78.4Productivity
95.1Portability
85.8$109$95
Keychron Q0 Max
Compare specs
Numpad,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount
85
Overall/ Value
85.2Build Quality
81.5Customizability
89.8Performance
66.4Productivity
89.5Portability
85.9
MMD KM21 Ultra
The MMD KM21 Ultra Macropad Numpad is a compact, customizable input device designed for users who want more than just number entry. It suits power users, creatives, and macro enthusiasts needing a flexible pad with both keys and rotary controls. Its wireless and wired connectivity options make it adaptable for stationary or mobile setups. Users who value customization and multi-function control will find it useful, while those needing a full keyboard or extensive key count may find it limited.</p... Read more
Compare prices from $89.00 · Popularity rank 736 in Keyboards
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Compare MMD KM21 Ultra vs Keychron Q0 Max vs Realforce Topre RT1 Numpad Specification
Compare similar keyboards side by side, or use the comparison table to compare all keyboards!
| MMD KM21 Ultra | Keychron Q0 Max | Realforce Topre RT1 Numpad |
85 Overall/ Value 85.2Build Quality 81.5Customizability 89.8Performance 66.4Productivity 89.5Portability 85.9 | -13% off 93 Overall/ Value 92.8Build Quality 88.7Customizability 97.5Performance 78.4Productivity 95.1Portability 85.8 | |
0.0 stars (0 reviews) | 5.0 stars (4 reviews) | 0.0 stars (0 reviews) |
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Name MMD KM21 Ultra | Name Keychron Q0 Max | Name Realforce Topre RT1 Numpad |
Release year 2026 | Release year 2024 | Release year 2025 |
Switch Options - | Switch Options Linear, Tactile, Clicky | Switch Options - |
Profile Normal Profile | Profile Normal Profile | Profile Normal Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size Numpad | Layout Size Numpad | Layout Size Numpad |
Layout Standard ANSI | Layout Standard ANSI | Layout Standard ANSI |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Normal |
Knob Support | Knob Support | Knob Support |
Display Support | Display Support | Display Support |
Mac/Win Support | Mac/Win Support | Mac/Win Support |
Multi-Media Keys | Multi-Media Keys | Multi-Media Keys |
USB-C | USB-C | USB-C |
USB passthrough | USB passthrough | USB passthrough |
Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Wired, Wired only |
Polling Rate - | Polling Rate 1000 Hz | Polling Rate - |
Battery capacity 980 mAh | Battery capacity 1800 mAh | Battery capacity - |
Hall Effect Support | Hall Effect Support | Hall Effect Support |
QMK Support | QMK Support | QMK Support |
VIA Support | VIA Support | VIA Support |
VIAL Support | VIAL Support | VIAL Support |
N-Key Rollover | N-Key Rollover | N-Key Rollover |
Rapid Trigger | Rapid Trigger | Rapid Trigger |
Mount Style Top Mount | Mount Style Gasket Mount | Mount Style - |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight Rgb, South-face | Backlight |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material Aluminum | Case Material Plastic |
Keycaps Material - | Keycaps Material PBT | Keycaps Material PBT |
Dimensions - | Dimensions 22 x 118 x 137 mm | Dimensions - |
Weight - | Weight 684g | Weight - |
*Something incorrect or missing? Please
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!Product Description
The MMD KM21 Ultra Macropad Numpad is a compact, customizable input device designed for users who want more than just number entry. It suits power users, creatives, and macro enthusiasts needing a flexible pad with both keys and rotary controls. Its wireless and wired connectivity options make it adaptable for stationary or mobile setups. Users who value customization and multi-function control will find it useful, while those needing a full keyboard or extensive key count may find it limited.
Key Features
- 17 hot-swap keys allow easy switch replacement without soldering, enabling personalized typing feel.
- Four clickable rotary knobs provide additional input for volume, scrolling, zoom, or custom macros, expanding control beyond a typical numpad.
- Fully programmable via QMK/VIA firmware, letting users assign keys, macros, and layers without extra software installation.
- RGB backlighting offers visual feedback and customization but does not affect functionality.
Build Quality
The case is CNC-machined aluminum, offering a solid and stable base with a premium feel. It uses a top-mount structure with multi-layer damping materials to reduce noise and provide consistent keypress acoustics. This construction minimizes hollow sounds and key pinging common in cheaper pads.
Connectivity
Tri-mode connectivity supports USB-C wired, 2.4 GHz wireless via receiver, and Bluetooth 5.0. This flexibility allows low-latency wired use, near-latency-free wireless with the receiver, or multi-device Bluetooth connections. A 980 mAh battery supports extended wireless use, though exact battery life is unknown.
Compatibility
Compatible with Windows, macOS, Linux, and via Bluetooth also Android and iOS. The QMK/VIA firmware supports extensive remapping and macro creation, suitable for diverse workflows including gaming, office tasks, and creative software control.
Trade-offs
- Limited to 17 keys plus 4 rotary knobs, which may not suffice for users needing many dedicated keys.
- Preinstalled linear switches may not suit users preferring tactile or clicky feedback, though switches can be swapped.
- Battery life details are unspecified, so wireless endurance is uncertain.
- The compact size means it is not a full keyboard replacement but a supplemental device.
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