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Head to head · Prices checked Oct 28, 2026

Jamesdonkey A3 3.0 vs KBDFans M2 3 Countersunk Flat Head screw

Get the Jamesdonkey A3 3.0 for hot-swappable and knob.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey A3 3.0

Hot-swappable

Build quality in the bottom 45% of 75% boards under $100.

Get the

KBDFans M2 3 Countersunk Flat Head screw

Rules this board out

  • Switches are soldered. Swapping them means soldering.

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 A3 3.0

KBDFans M2 3 Countersunk Flat Head screw

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Mount style

    Gasket Mount

    Tray Mount

  • Knob

    Yes

    No

  • Display

    None

    LED

    A case display rather than a typing feature

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Jamesdonkey A3 3.0
  • KBDFans M2 3 Countersunk Flat Head screw
Performance
54
43
Build quality
60
74
Productivity
80
41
Customizability
82
53
Portability
76
41
See every spec side by side

Full specs

Jamesdonkey A3 3.0 vs KBDFans M2 3 Countersunk Flat Head screw specs

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

10 of 19 specs differ

Jamesdonkey A3 3.0

KBDFans M2 3 Countersunk Flat Head screw

Typing & switches

Hot-swappable

Yes
No

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
No

Layout

Layout size

75%
—

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
LED

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
—

Max polling rate

—
1,000 Hz

Battery

3,750 mAh
—

Build & materials

Case material

—
Steel

Keycaps

PBT
—

Dimensions

42 x 148 x 329 mm
—

Backlight

RGB
None

Firmware & software

QMK

Yes
No

Mac & Windows

Yes
No

Extras

Released

2024
2020

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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