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3-way comparison · Prices checked Nov 10, 2026

Keychron K2 HE vs Nuphy Air75 V3 vs WOBKEY Rainy75 Pro

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Quick verdict

Which one should you get?

Get the

Keychron K2 HE

Hall effect

Build quality in the top 5% of 75% boards under $150.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

Get the

Nuphy Air75 V3

Build quality in the top 5% 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.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Missing ISO-Nordic, ISO-ES, ISO-CH. The other board is sold in those layouts.

Get the

WOBKEY Rainy75 Pro

Battery

Build quality in the top 10% of 75% boards under $200.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Missing ISO-UK, ISO-Nordic, ISO-FR. 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.

Keychron K2 HE

Nuphy Air75 V3

WOBKEY Rainy75 Pro

  • Hall effect (magnetic)

    Yes

    No

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    No

    Faster resets help in games and not in normal typing

  • Battery

    4,000 mAh

    4,000 mAh

    7,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    No

    Yes

    No

  • Case material

    ABS, Aluminum, Resin, Wood

    ABS, Aluminum, Plastic, Polycarbonate

    Aluminum, Steel

KeebFinder scores

How we score
  • Keychron K2 HE
  • Nuphy Air75 V3
  • WOBKEY Rainy75 Pro
Performance
93
82
79
Build quality
91
90
88
Productivity
97
97
94
Customizability
98
100
89
Portability
81
81
92

What they share

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

Full specs

Keychron K2 HE vs Nuphy Air75 V3 vs WOBKEY Rainy75 Pro specs

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

18 of 30 specs differ

Keychron K2 HE

Nuphy Air75 V3

WOBKEY Rainy75 Pro

Typing & switches

Switch options

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

Hall effect (magnetic)

Yes
No
No

Rapid trigger

Yes
No
No

Hot-swappable

Yes
Yes
Yes

Mount style

Plate Mount, Tray Mount
Gasket Mount
Gasket Mount

Low profile

No
Yes
No

Sound dampening

Yes
Yes
Yes

Screw-in stabilizers

Yes
Yes
Yes

Layout

Layout size

75%
75%
75%

Layout standard

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

Ergonomics

Standard
Standard
Standard

Knob

Yes
Yes
No

Display

None
LED
None

Media keys

Yes
Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz
1,000 Hz

Battery

4,000 mAh
4,000 mAh
7,000 mAhBetter

USB-C

Yes
Yes
Yes

Build & materials

Case material

ABS, Aluminum, Resin, Wood
ABS, Aluminum, Plastic, Polycarbonate
Aluminum, Steel

Plate material

Aluminum
Aluminum, Polycarbonate
FR4

Keycaps

ABS, PBT, PC
PBT, PC
PBT

Weight

1,743 g
750 g
1,800 g

Dimensions

41 x 127 x 321 mm
13 x 319 x 129 mm
30 x 320 x 150 mm

Typing angle

12°, 4°, 5°
10°, 5°
10°, 7°

Backlight

RGB, north-facing
RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
Yes
Yes

VIA

Yes
Yes
Yes

N-key rollover

Yes
Yes
Yes

Mac & Windows

Yes
Yes
Yes

Extras

Released

2024
2024
2025

For EU buyers

ISO layouts by store

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

Keychron K2 HE

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-CH

    In stockShips to you

  • Input Gear

    ISO-DE

    Out of stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH

    In stockDoes not ship to you

Nuphy Air75 V3

  • Input Gear

    ISO-DE

    In stockShips to you

  • Input Gear

    ISO-FR

    In stockShips to you

  • Input Gear

    ISO-DE

    Out of stockShips to you

WOBKEY Rainy75 Pro

  • MonacoKeys

    ISO-DE

    In stockDoes not ship to you

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.

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