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Head to head · Prices checked Oct 21, 2026

Keychron K3 Max SE vs Nuphy Air75 V3

Get the Nuphy Air75 V3 for the 4,000 mAh battery and knob.

What actually differs

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

KeebFinder scores

How we score
  • Keychron K3 Max SE
  • Nuphy Air75 V3
Performance
80
82
Build quality
74
88
Productivity
89
97
Customizability
86
98
Portability
80
81

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • Max polling rate: 1,000 Hz
  • QMK
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron K3 Max SE

5.0

2 owner reviews

Praise
“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…”
RyanVerified buyer· via Keychron

Nuphy Air75 V3

No owner reviews collected yet.

Full specs

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

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Low-profile 3.0, Mechanical, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Low profile

Yes
Yes

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-FR, ISO-UK, JIS

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

1,550 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Wood
ABS, Aluminum, Plastic, Polycarbonate

Plate material

Aluminum
Aluminum, Polycarbonate

Keycaps

PBT
PBT

Weight

566 g
750 g

Dimensions

20 x 319 x 126 mm
13 x 319 x 129 mm

Typing angle

—
10°, 5°

Backlight

RGB, north-facing
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • KeychronHK

    In stock
    $104Visit
  • Keychron (DE)DE

    In stock
    $140Visit
  • AmazonGlobal

    Check price
    ~$104Visit
  • Input GearDE

    In stock
    $135Visit
  • NuphyUS

    In stock
    $140Visit
  • ktechsSG

    In stock
    $185Visit
  • AmazonGlobal

    Check price
    Visit

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