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Head to head · Prices checked Nov 1, 2026

NPK Club RO75 vs Jamesdonkey A3 3.0

Get the NPK Club RO75 for hall effect and the 6,000 mAh battery. Get the Jamesdonkey A3 3.0 for knob.

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Quick verdict

Which one should you get?

Get the

NPK Club RO75

Hall effect

Build quality in the top 10% of 75% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Get the

Jamesdonkey A3 3.0

Knob

Build quality in the bottom 40% of 75% boards under $100.

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.

NPK Club RO75

Jamesdonkey A3 3.0

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Battery

    6,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Knob

    No

    Yes

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Keycaps

    ABS, PBT

    PBT

KeebFinder scores

How we score
  • NPK Club RO75
  • Jamesdonkey A3 3.0
Performance
85
53
Build quality
83
60
Productivity
89
80
Customizability
86
82
Portability
92
76

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • QMK
  • Sound dampening
See every spec side by side

Full specs

NPK Club RO75 vs Jamesdonkey A3 3.0 specs

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

10 of 26 specs differ

NPK Club RO75

Jamesdonkey A3 3.0

Typing & switches

Switch options

Linear, Magnetic
—

Hall effect (magnetic)

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

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
—

Battery

6,000 mAhBetter
3,750 mAh

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Keycaps

ABS, PBT
PBT

Weight

1,680 g
—

Dimensions

20 x 316 x 136 mm
42 x 148 x 329 mm

Typing angle

8°
—

Backlight

RGB
RGB

Firmware & software

QMK

Yes
Yes

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2024

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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