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Head to head · Prices checked Nov 12, 2026

Nuphy Air75 V3 Moonbow Edition vs Keychron K3 HE

Get the Nuphy Air75 V3 Moonbow Edition for the 4,000 mAh battery. Get the Keychron K3 HE for hall effect and rapid trigger.

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Quick verdict

Which one should you get?

Get the

Nuphy Air75 V3 Moonbow Edition

Battery

Build quality in the top 35% of 75% boards under $150.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Missing ISO-ES. The other board is sold in those layouts.

Get the

Keychron K3 HE

Hall effect

Build quality in the top 10% of 75% boards under $150.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Missing ISO-UK. The other board is sold in those layouts.

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.

Nuphy Air75 V3 Moonbow Edition

Keychron K3 HE

  • Hall effect (magnetic)

    No

    Yes

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    No

    Yes

    Faster resets help in games and not in normal typing

  • Battery

    4,000 mAh

    2,600 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    ABS, Aluminum, Wood

  • Switch options

    Low-profile 3.0

    Clicky, Linear, Magnetic, Tactile

KeebFinder scores

How we score
  • Nuphy Air75 V3 Moonbow Edition
  • Keychron K3 HE
Performance
78
92
Build quality
73
86
Productivity
84
89
Customizability
78
89
Portability
82
82

What they share

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

Full specs

Nuphy Air75 V3 Moonbow Edition vs Keychron K3 HE specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

15 of 29 specs differ

Nuphy Air75 V3 Moonbow Edition

Keychron K3 HE

Typing & switches

Switch options

Low-profile 3.0
Clicky, Linear, Magnetic, Tactile

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Low profile

Yes
Yes

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Knob

Yes
No

Display

LED
LED

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAhBetter
2,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
ABS, Aluminum, Wood

Plate material

Polycarbonate
Aluminum

Keycaps

PBT
PBT

Weight

724 g
580 g

Dimensions

13 x 319 x 129 mm
25 x 319 x 126 mm

Typing angle

10°
2°

Backlight

RGB, north-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2026

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Nuphy Air75 V3 Moonbow Edition

Listed on the product, not split by store: ISO-DE, ISO-UK, ISO-FR.

Keychron K3 HE

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