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Head to head · Prices checked Oct 28, 2026

Jamesdonkey RS2 4.0 vs Nuphy Air100 V3

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Quick verdict

Which one should you get?

Get the

Jamesdonkey RS2 4.0

Build quality in the top 35% of 96% boards under $100.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Nuphy Air100 V3

Build quality in the top 10% of 100% 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.

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.

Jamesdonkey RS2 4.0

Nuphy Air100 V3

  • Layout size

    96%

    100%

  • Low profile

    No

    Yes

  • Case material

    Aluminum

    Aluminum, Plastic, Polycarbonate

  • Switch options

    Linear

    Clicky, Low-profile

  • Weight

    1,150 g

    950 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Jamesdonkey RS2 4.0
  • Nuphy Air100 V3
Performance
58
82
Build quality
71
83
Productivity
93
93
Customizability
82
91
Portability
53
56

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Mount style: Gasket Mount
  • Knob
  • QMK
See every spec side by side

Full specs

Jamesdonkey RS2 4.0 vs Nuphy Air100 V3 specs

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

10 of 27 specs differ

Jamesdonkey RS2 4.0

Nuphy Air100 V3

Typing & switches

Switch options

Linear
Clicky, Low-profile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Low profile

No
Yes

Sound dampening

Yes
Yes

Layout

Layout size

96%
100%

Layout standard

ANSI
ANSI, ISO, ISO-DE, JIS

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum, Plastic, Polycarbonate

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

1,150 g
950 g

Dimensions

34 x 405 x 138 mm
13 x 381 x 134 mm

Typing angle

—
10°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

Yes
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

For EU buyers

ISO layouts by store

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

Jamesdonkey RS2 4.0

No ISO layout at the stores we track.

Nuphy Air100 V3

  • Input Gear

    ISO-DE

    In stockShips to you

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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