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| MMD KM40 | Other 0xCB Static | Keychron Q9 |
82 Overall/ Value 81.9Build Quality 82.7Customizability 84.3Performance 61.3Productivity 69.5Portability 84.1![]() | 74 Overall/ Value 74.4Build Quality 78.3Customizability 78.1Performance 47.9Productivity 58.4Portability 62.5![]() | 95 Overall/ Value 95.0Build Quality 91.0Customizability 97.1Performance 65.8Productivity 94.5Portability 70.4![]() |
5.0 stars (4 reviews) | 0.0 stars (0 reviews) | 4.6 stars (10 reviews) |
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Name MMD KM40 | Name Other 0xCB Static | Name Keychron Q9 |
Release year 2026 | Release year 2025 | Release year 2022 |
Switch Options Linear, Tactile | Switch Options - | Switch Options Linear, Tactile, Clicky |
Profile Normal Profile | Profile Normal Profile | Profile Normal Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size 40% | Layout Size 40% | Layout Size 40% |
Layout Standard ANSI | Layout Standard ANSI | Layout Standard ANSI, ISO |
Layout Ergonomics Normal | Layout Ergonomics Normal | Layout Ergonomics Split Spacebar |
Knob Support | Knob Support | Knob Support |
Display Support | Display Support OLED | 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 Wired, Wired only | Connection Wired, Wired only |
Polling Rate - | Polling Rate - | Polling Rate 1000 Hz |
Battery capacity 2000 mAh | Battery capacity - | 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 Gasket Mount | Mount Style - | Mount Style Gasket Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight | Backlight Rgb, South-face |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material Acrylic, Steel, Metal | Case Material Aluminum |
Keycaps Material PBT | Keycaps Material - | Keycaps Material PBT |
Dimensions - | Dimensions - | Dimensions 20 x 94 x 326 mm |
Weight 620g | Weight - | Weight 1050g |
The MMD KM40 is a compact 40% mechanical keyboard suited for users seeking a small footprint with wireless flexibility. It fits well for beginners exploring compact layouts, users wanting a durable aluminum case, and those interested in customizing key functions and switches. Its tri-mode wireless and hot-swappable switches add versatility for mobile or minimalist setups.