Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 23, 2026

Dagk Alloy40 Pro vs Jamesdonkey A3

Get the Jamesdonkey A3 for the 3,000 mAh battery and knob.

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.

Dagk Alloy40 Pro

Jamesdonkey A3

  • Layout size

    40%

    75%

  • Battery

    2,500 mAh

    3,000 mAh

  • Case material

    Aluminum

    ABS, PBT, Plastic, Polycarbonate

  • Knob

    No

    Yes

  • Weight

    450 g

    1,000 g

KeebFinder scores

How we score
  • Dagk Alloy40 Pro
  • Jamesdonkey A3
Performance
56
61
Build quality
65
66
Productivity
60
91
Customizability
75
85
Portability
89
79

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
See every spec side by side

Full specs

Dagk Alloy40 Pro vs Jamesdonkey A3 specs

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

13 of 23 specs differ

Dagk Alloy40 Pro

Jamesdonkey A3

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

40%
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

Battery

2,500 mAh
3,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, PBT, Plastic, Polycarbonate

Plate material

FR4
Polycarbonate

Keycaps

—
PBT

Weight

450 g
1,000 g

Dimensions

21 x 239 x 87 mm
40 x 136 x 321 mm

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2022

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    ~$78Visit
  • WhatGeekCN

    Out of stock
    $78Visit
  • MechkeysCN

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit
  • WhatGeekCN

    Out of stock
    $89Visit

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.