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Head to head · Prices checked Nov 14, 2026

Redragon CASTOR K631 Pro vs IRONGUARD K722 PRO

Get the Redragon IRONGUARD K722 PRO for sound dampening.

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Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631 Pro

Build quality in the bottom 30% of 65% boards under $50.

Rules this board out

  • 65% layout. No function row and no numpad.

Get the

Redragon IRONGUARD K722 PRO

Sound dampening

Build quality in the top 30% of 60% boards under $50.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or 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.

Redragon CASTOR K631 Pro

Redragon IRONGUARD K722 PRO

  • Layout size

    65%

    60%

  • Mount style

    Bottom Mount

    Gasket Mount

  • Weight

    470 g

    620 g

    Heavier boards stay planted and lighter ones travel

  • Sound dampening

    No

    Yes

  • Keycaps

    ABS

    PBT

KeebFinder scores

How we score
  • Redragon CASTOR K631 Pro
  • Redragon IRONGUARD K722 PRO
Performance
71
72
Build quality
56
68
Productivity
54
66
Customizability
58
62
Portability
84
85

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Plastic
  • Switch options: Linear
See every spec side by side

Full specs

Redragon CASTOR K631 Pro vs IRONGUARD K722 PRO specs

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

7 of 18 specs differ

Redragon CASTOR K631 Pro

Redragon IRONGUARD K722 PRO

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

65%
60%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

1,600 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Keycaps

ABS
PBT

Weight

470 g
620 g

Dimensions

40 x 309 x 104 mm
40 x 310 x 120 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
Yes

Extras

Released

2026
2025

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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