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3-way comparison · Prices checked Nov 11, 2026

Epomaker QK108 vs Keychron K2 HE vs Nuphy Air75 V3

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Quick verdict

Which one should you get?

Get the

Epomaker QK108

Battery

Build quality in the top 15% of 100% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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.
  • No numpad.

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.
  • No numpad.
  • Missing ISO-Nordic, ISO-ES, ISO-CH. 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.

Epomaker QK108

Keychron K2 HE

Nuphy Air75 V3

  • Layout size

    100%

    75%

    75%

  • Hall effect (magnetic)

    No

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    No

    Yes

    No

    Faster resets help in games and not in normal typing

  • Battery

    8,000 mAh

    4,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    No

    No

    Yes

KeebFinder scores

How we score
  • Epomaker QK108
  • Keychron K2 HE
  • Nuphy Air75 V3
Performance
81
93
82
Build quality
75
91
90
Productivity
88
97
97
Customizability
81
98
100
Portability
62
81
81

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Knob
  • VIA
  • Sound dampening
See every spec side by side

Full specs

Epomaker QK108 vs Keychron K2 HE vs Nuphy Air75 V3 specs

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

20 of 30 specs differ

Epomaker QK108

Keychron K2 HE

Nuphy Air75 V3

Typing & switches

Switch options

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

Hall effect (magnetic)

No
Yes
No

Rapid trigger

No
Yes
No

Hot-swappable

Yes
Yes
Yes

Mount style

Gasket Mount
Plate Mount, Tray Mount
Gasket Mount

Low profile

No
No
Yes

Sound dampening

Yes
Yes
Yes

Screw-in stabilizers

No
Yes
Yes

Layout

Layout size

100%
75%
75%

Layout standard

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

Ergonomics

Standard
Standard
Standard

Knob

Yes
Yes
Yes

Display

LED
None
LED

Media keys

No
Yes
Yes

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

8,000 mAhBetter
4,000 mAh
4,000 mAh

USB-C

Yes
Yes
Yes

Build & materials

Case material

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

Plate material

Polycarbonate
Aluminum
Aluminum, Polycarbonate

Keycaps

PBT
ABS, PBT, PC
PBT, PC

Weight

1,180 g
1,743 g
750 g

Dimensions

43 x 439 x 139 mm
41 x 127 x 321 mm
13 x 319 x 129 mm

Typing angle

6°
12°, 4°, 5°
10°, 5°

Backlight

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

Firmware & software

QMK

No
Yes
Yes

VIA

Yes
Yes
Yes

N-key rollover

Yes
Yes
Yes

Mac & Windows

Yes
Yes
Yes

Extras

Released

2025
2024
2024

For EU buyers

ISO layouts by store

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

Epomaker QK108

No ISO layout at the stores we track.

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

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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