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Head to head · Prices checked Oct 28, 2026

Corsair K70 Pro vs Jamesdonkey A3 3.0

Get the Corsair K70 Pro for rapid trigger. Get the Jamesdonkey A3 3.0 for hot-swappable and qmk.

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Quick verdict

Which one should you get?

Get the

Corsair K70 Pro

Rapid trigger

Build quality in the bottom 10% of 80% boards under $200.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No numpad.

Get the

Jamesdonkey A3 3.0

Hot-swappable

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

Rules this board out

  • No numpad.

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.

Corsair K70 Pro

Jamesdonkey A3 3.0

  • Layout size

    80%

    75%

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Corsair K70 Pro
  • Jamesdonkey A3 3.0
Performance
91
54
Build quality
43
60
Productivity
73
80
Customizability
60
82
Portability
58
76

What they share

  • Knob
  • Keycaps: PBT
See every spec side by side

Full specs

Corsair K70 Pro vs Jamesdonkey A3 3.0 specs

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

10 of 24 specs differ

Corsair K70 Pro

Jamesdonkey A3 3.0

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

80%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
3,750 mAh

USB-C

Yes
No

Build & materials

Case material

Aluminum, PBT
—

Keycaps

PBT
PBT

Weight

880 g
—

Dimensions

40 x 360 x 164 mm
42 x 148 x 329 mm

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
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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