86
Overall/ Value
85.7Build Quality
81.8Customizability
89.9Performance
66.1Productivity
89.3Portability
85.7$89

MMD KM21 Ultra
Numpad,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Top Mount
Explore the comprehensive side-by-side comparison of the Velocifire stars21 Numeric Keypad and Keychron K0 Max and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.
76 Overall/ Value 76.2Build Quality 82.3Customizability 84.7Performance 64.1Productivity 57.4Portability 81.8![]() | 90 Overall/ Value 89.7Build Quality 85.2Customizability 92.9Performance 79.5Productivity 95.2Portability 86.2![]() | Select a keyboard to compare |
0.0 stars (0 reviews) | 3.9 stars (16 reviews) | |
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Name Velocifire stars21 Numeric Keypad | Name Keychron K0 Max | |
Release year 2026 | Release year 2025 | |
Switch Options - | Switch Options Linear, Tactile, Clicky | |
Profile Normal Profile | Profile Low Profile | |
Hot Swappable | Hot Swappable | |
Layout Size Numpad | Layout Size Numpad | |
Layout Standard ANSI | Layout Standard ANSI | |
Layout Ergonomics Normal | Layout Ergonomics Normal | |
Knob Support | Knob Support | |
Display Support | Display Support | |
Mac/Win Support | Mac/Win Support | |
Multi-Media Keys | Multi-Media Keys | |
USB-C | USB-C | |
USB passthrough | USB passthrough | |
Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless | |
Polling Rate 1000 Hz | Polling Rate 1000 Hz | |
Battery capacity 2000 mAh | Battery capacity 750 mAh | |
Hall Effect Support | Hall Effect Support | |
QMK Support | QMK Support | |
VIA Support | VIA Support | |
VIAL Support | VIAL Support | |
N-Key Rollover | N-Key Rollover | |
Rapid Trigger | Rapid Trigger | |
Mount Style Gasket Mount | Mount Style Plate Mount | |
Screw in Stabilizers | Screw in Stabilizers | |
Sound Dampening | Sound Dampening | |
Backlight Rgb | Backlight Rgb, North-face | |
Case Colors | Case Colors | |
Case Material Aluminum | Case Material Aluminum, Plastic | |
Keycaps Material - | Keycaps Material PBT, POM | |
Dimensions 23 x 130 x 95 mm | Dimensions - | |
Weight 460g | Weight - |
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