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| MMD KM40 | Epomaker TH40 | Epomaker Luma40 |
82 Overall/ Value 81.7Build Quality 82.8Customizability 84.0Performance 60.7Productivity 69.5Portability 84.2![]() | -10% off 82 Overall/ Value 81.5Build Quality 75.3Customizability 86.0Performance 73.9Productivity 62.5Portability 84.1![]() | 87 Overall/ Value 86.9Build Quality 81.3Customizability 86.1Performance 74.0Productivity 88.6Portability 85.3![]() |
5.0 stars (4 reviews) | 3.9 stars (52 reviews) | 5.0 stars (3 reviews) |
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Name MMD KM40 | Name Epomaker TH40 | Name Epomaker Luma40 |
Release year 2026 | Release year 2024 | Release year 2025 |
Switch Options Linear, Tactile | Switch Options Linear | Switch Options Clicky, Linear |
Profile Normal Profile | Profile Normal Profile | Profile Low 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 |
Layout Ergonomics Normal | Layout Ergonomics Split Spacebar | Layout Ergonomics Ortholinear |
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 Bluetooth, 2.4 GHz, Wired, Wireless |
Polling Rate - | Polling Rate 1000 Hz | Polling Rate 1000 Hz |
Battery capacity 2000 mAh | Battery capacity 3000 mAh | Battery capacity 1450 mAh |
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 Gasket Mount | Mount Style Tray Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb | Backlight Rgb, South-face | Backlight Rgb, North-face |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material ABS | Case Material Aluminum |
Keycaps Material PBT | Keycaps Material PBT | Keycaps Material PC |
Dimensions - | Dimensions 35 x 258 x 97 mm | Dimensions 21 x 240 x 87 mm |
Weight 620g | Weight 500g | Weight 410g |
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.