| Price |
— |
$121.00 |
| Our Rating |
9.0 |
8.8 |
| Brand |
nuphy |
Keychron |
| Category |
Keyboard |
Keyboard |
|
Brand |
Nuphy |
Keychron |
|
Model Name |
Air75 V3 |
K3 Max |
|
Series |
Air Series |
K-Series |
|
Type |
Low-profile Mechanical (Wireless + Wired) |
Mechanical (Wireless + Wired + 2.4GHz) |
|
Layout |
75% (Compact) |
75% (84 keys) |
|
Release Year |
2024 |
2023 |
|
Use Case |
Work, Travel, Productivity |
Work, Gaming, Productivity |
|
Frame Material |
Aluminum top + polycarbonate bottom |
ABS + Aluminum frame |
|
Plate Material |
Aluminum |
Low-profile plate |
|
Keycap Material |
Dye-sublimated PBT (low-profile) |
Low-profile double-shot PBT |
|
Color Options |
Basalt Black, Ionic White, Mist Blue |
Black, Grey, Carbon Black |
|
Dimensions (L × W × H) |
316 × 132 × 16.5 mm |
306 × 116 × 22 mm |
|
Weight |
600 g |
525 g |
|
Form Factor |
Compact 75% |
Ultra-slim 75% |
|
Finish |
Anodized matte surface |
Matte texture |
|
Switch Type |
Low-profile Mechanical (Hot-swappable) |
Low-profile mechanical (Hot-swappable MX style) |
|
Switch Options |
Gateron Low-profile 2.0 Red / Brown / Blue |
Gateron Low-profile Red / Brown / Blue |
|
Mount Type |
Gasket mount |
Gasket-style with foams |
|
Stabilizers |
Pre-lubed plate-mounted stabilizers |
Pre-lubed screw-in stabilizers |
|
Number of Keys |
— |
84 |
|
Typing Angle |
Adjustable with magnetic feet |
2.5°, 4.2°, 6.5° |
|
Key Rollover |
Full N-key (wired) / 6-key (Bluetooth) |
Full NKRO (wired and wireless) |
|
Actuation Force |
45 ± 5 g |
~45g |
|
Key Travel |
1.8 mm actuation / 3.2 mm total |
2.0 mm actuation / 3.2 mm total |
|
Typing Feel |
Soft, snappy, precise feedback with low noise |
Smooth, quiet low-profile thock |
|
Response Time (Bluetooth) |
~8–10 ms |
~1 ms (wired / 2.4GHz) |
|
Response Time (Bluetooth) |
~8–10 ms |
~1 ms (wired / 2.4GHz) |
|
Anti-Ghosting |
100% NKRO |
100% (NKRO) |
|
Input Lag |
Very low (Gaming Mode) |
Negligible |
|
Latency Mode |
Low-latency switch mode |
2.4GHz low-latency mode |
|
Backlight Type |
Per-key RGB |
Per-key RGB |
|
LED Orientation |
South-facing |
North-facing |
|
Lighting Effects |
20+ preset modes |
18+ preset modes |
|
Custom Effects |
Supported (via VIA/NuPhy Console) |
Custom via QMK / VIA |
|
Brightness Levels |
5-step adjustable |
5-step adjustable |
|
Control |
Software + Function shortcuts |
Software + onboard shortcuts |
|
Firmware |
VIA / QMK compatible (open-source) |
Open-source QMK / VIA |
|
Key Remapping |
Fully programmable |
Fully programmable |
|
Macro Support |
Yes |
Multi-layer macros |
|
Profile Storage |
3 onboard profiles |
Up to 3 onboard profiles |
|
Firmware Update |
Supported via USB-C |
Supported via USB |
|
Hotkey Shortcuts |
Lighting, media, OS switch |
RGB, multimedia, device switching |
|
Acoustic Dampening |
Silicone pad + foam layer |
IXPE foam + latex + silicone |
|
Typing Sound Profile |
Muted, crisp low-profile sound |
Quiet, deep low-profile thock |
|
Gasket Mount |
— |
Flexy gasket mount |
|
Noise Reduction |
Optimized construction and dampers |
Improved via internal foams |
|
Wrist Rest |
Optional accessory |
Optional |
|
Tilt Feet |
2-level magnetic tilt risers |
3-level adjustable |
|
Software Support |
macOS, Windows, Linux, iOS, Android |
macOS, Windows, Linux, Android, iOS |
|
Supported OS |
— |
VIA (cross-platform) |
|
Plug-and-Play |
Yes |
Yes |
|
Layout Options |
macOS / Windows keycaps included |
ANSI / ISO, Mac & Windows keycaps |
|
Battery Capacity |
4000 mAh |
1550 mAh (typical) |
|
Battery Type |
Rechargeable lithium-ion |
Lithium rechargeable |
|
Battery Life (No RGB) |
Up to 250 hours |
Up to 180 hours |
|
Battery Life (RGB On) |
70–90 hours |
34–68 hours |
|
Charging Port |
USB Type-C |
USB Type-C |
|
Charge Time |
Approx. 3 hours |
Approx. 3 hours |
|
Wireless Mode |
Bluetooth 5.1 |
Bluetooth 5.1 + 2.4 GHz |
|
Wired Mode |
USB-C |
USB-C |
|
Multi-Device Pairing |
Yes, up to 3 devices |
Up to 3 devices |
|
Switch Between Devices |
Fn + 1/2/3 |
Fn + 1/2/3 |
|
Polling Rate (Wired) |
1000 Hz |
1000 Hz |
|
Polling Rate (Wireless) |
125 Hz |
90 Hz |
