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Head to head · Prices checked Nov 7, 2026

Redragon K721 vs UCAL MAX K673

Get the Redragon K721 for hall effect and rapid trigger. Get the Redragon UCAL MAX K673 for knob.

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Quick verdict

Which one should you get?

Get the

Redragon K721

Hall effect

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

Rules this board out

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

Get the

Redragon UCAL MAX K673

Knob

Build quality in the bottom 50% 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.

Redragon K721

Redragon UCAL MAX K673

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • 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

  • Switch options

    Linear, Magnetic

    Linear

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Redragon K721
  • Redragon UCAL MAX K673
Performance
98
67
Build quality
58
63
Productivity
52
70
Customizability
55
59
Portability
58
76

What they share

  • Layout size: 75%
  • Hot-swappable
  • Mount style: Gasket Mount
See every spec side by side

Full specs

Redragon K721 vs UCAL MAX K673 specs

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

11 of 22 specs differ

Redragon K721

Redragon UCAL MAX K673

Typing & switches

Switch options

Linear, Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

—
Plastic

Keycaps

—
PBT

Weight

803 g
1,200 g

Dimensions

43 x 335 x 140 mm
37 x 335 x 37 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
No

Extras

Released

2025
2024

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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