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Head to head · Prices checked Nov 11, 2026

Redragon ANTONIUM K743 Pro vs Ducky One 3 Classic

Get the Redragon ANTONIUM K743 Pro for knob.

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Quick verdict

Which one should you get?

Get the

Redragon ANTONIUM K743 Pro

Knob

Build quality in the top 20% of 80% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Ducky One 3 Classic

Build quality in the bottom 30% of 80% 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.

Redragon ANTONIUM K743 Pro

Ducky One 3 Classic

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Plastic

    ABS, Plastic

  • Switch options

    Linear

    Clicky, Linear, Silent, Tactile

  • Mount style

    Gasket Mount

    Plate Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Redragon ANTONIUM K743 Pro
  • Ducky One 3 Classic
Performance
78
75
Build quality
76
52
Productivity
91
77
Customizability
78
68
Portability
70
58

What they share

  • Layout size: 80%
  • Hot-swappable
  • Sound dampening
See every spec side by side

Full specs

Redragon ANTONIUM K743 Pro vs Ducky One 3 Classic specs

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

12 of 22 specs differ

Redragon ANTONIUM K743 Pro

Ducky One 3 Classic

Typing & switches

Switch options

Linear
Clicky, Linear, Silent, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

80%
80%

Layout standard

ANSI
ANSI, ISO, ISO-IT

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

1,000 Hz
—

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Plastic

Keycaps

PBT
ABS, PBT

Weight

920 g
—

Dimensions

37 x 373 x 140 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2023

For EU buyers

ISO layouts by store

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

Redragon ANTONIUM K743 Pro

No ISO layout at the stores we track.

Ducky One 3 Classic

  • MK

    ISO-IT

    Out of stockShips to you

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

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