The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Keychron K3 Max SE
Nuphy Air75 V3
Battery
1,550 mAh
4,000 mAh
Case material
ABS, Wood
ABS, Aluminum, Plastic, Polycarbonate
Switch options
Clicky, Linear, Tactile
Clicky, Linear, Low-profile 3.0, Mechanical, Tactile
Knob
No
Yes
Weight
566 g
750 g
- Keychron K3 Max SE
- Nuphy Air75 V3
- Performance
- 8082
- Build quality
- 7488
- Productivity
- 8997
- Customizability
- 8698
- Portability
- 8081
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Low profile
- Max polling rate: 1,000 Hz
- QMK
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3 Max SE
2 owner reviews
“Beautiful service from yourselves, got updates at every point required. Product is amazing and arrived wrapped well. Only issue was the courier delivering the parcel by throwing it into the house rather than handing it in person. Already reviewed their poor…”
Nuphy Air75 V3
No owner reviews collected yet.
Keychron K3 Max SE vs Nuphy Air75 V3 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 28 specs differ
Keychron K3 Max SE
Nuphy Air75 V3
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.















