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Keychron K4 QMK Wireless Mechanical Keyboard (Version 3)-US ANSI Layout

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| Keychron K4 QMK V3 | Keychron K5 V2 | Keychron K10 Ultra |
68 Overall/ Value 67.5Build Quality 67.4Customizability 76.2Performance 61.6Productivity 56.6Portability 44.0![]() | 73 Overall/ Value 72.7Build Quality 67.2Customizability 75.7Performance 78.1Productivity 73.3Portability 56.9![]() | -30% off 91 Overall/ Value 90.9Build Quality 82.4Customizability 92.3Performance 90.2Productivity 94.1Portability 56.0![]() |
0.0 stars (0 reviews) | 0.0 stars (0 reviews) | 0.0 stars (0 reviews) |
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Name Keychron K4 QMK V3 | Name Keychron K5 V2 | Name Keychron K10 Ultra |
Release year 2025 | Release year 2025 | Release year 2026 |
Switch Options Tactile, Linear | Switch Options Tactile, Linear | Switch Options Tactile, Linear, Clicky |
Profile Normal Profile | Profile Low Profile | Profile Normal Profile |
Hot Swappable | Hot Swappable | Hot Swappable |
Layout Size 96% | Layout Size 100% | Layout Size 100% |
Layout Standard ANSI | Layout Standard ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK, ANSI | Layout Standard ISO, JIS, 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 | Connection Bluetooth, Wired, Wireless | Connection Bluetooth, 2.4 GHz, Wired, Wireless |
Polling Rate - | Polling Rate 1000 Hz | Polling Rate 8000 Hz |
Battery capacity - | Battery capacity 2000 mAh | Battery capacity 4000 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 - | Mount Style - | Mount Style Plate Mount |
Screw in Stabilizers | Screw in Stabilizers | Screw in Stabilizers |
Sound Dampening | Sound Dampening | Sound Dampening |
Backlight Rgb, White | Backlight Rgb, White, North-face | Backlight Rgb, White, South-face, White South-face |
Case Colors | Case Colors | Case Colors |
Case Material Aluminum | Case Material ABS, Aluminum | Case Material Aluminum, Plastic, ABS |
Keycaps Material - | Keycaps Material ABS | Keycaps Material PBT |
Dimensions - | Dimensions 25 x 424 x 119 mm | Dimensions - |
Weight - | Weight 732g | Weight 1495g |
The Keychron K4 Version 3US is a wireless mechanical keyboard designed for users who want a compact layout with a numpad and easy customization. It suits hobbyists and professionals who value the ability to remap keys and program macros through software. The hot-swappable switch design allows users to change switches without soldering, making it flexible for different typing preferences or switch testing.
The keyboard supports wireless use, providing a clutter-free setup. Wired connectivity details are unknown. Wireless mode is suitable for general use but specific latency or battery life information is not provided.
The layout includes a numpad in a compact form factor, which is beneficial for users needing number input without a full-size keyboard. It supports Windows and macOS keycaps and key mappings, accommodating multi-OS users. Firmware customization is available through the web app.