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Head to head · Prices checked Oct 23, 2026

Redragon CASTOR K631 HE vs Azio KB505U Vision

Get the Redragon CASTOR K631 HE for hall effect and rapid trigger. Get the Azio KB505U Vision for hot-swappable.

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 HE

Azio KB505U Vision

  • Hall effect (magnetic)

    Yes

    No

  • Rapid trigger

    Yes

    No

  • Connection

    Wired

    Bluetooth, Wired

  • Hot-swappable

    No

    Yes

  • Weight

    638 g

    816 g

KeebFinder scores

How we score
  • Redragon CASTOR K631 HE
  • Azio KB505U Vision
Performance
92
49
Build quality
43
53
Productivity
49
59
Customizability
47
63
Portability
66
52
See every spec side by side

Full specs

Redragon CASTOR K631 HE vs Azio KB505U Vision specs

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

11 of 18 specs differ

Redragon CASTOR K631 HE

Azio KB505U Vision

Typing & switches

Switch options

Magnetic
—

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Layout

Layout size

65%
—

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Wired
Bluetooth, Wired

Max polling rate

8,000 Hz
—

USB-C

Yes
No

Build & materials

Case material

Plastic
—

Weight

638 g
816 g

Dimensions

33 x 323 x 107 mm
28 x 188 x 467 mm

Backlight

RGB
None

Firmware & software

Mac & Windows

No
Yes

Extras

Released

2026
2018

Where to buy

Compare prices

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

  • RedragonCN

    In stock
    $39Visit
  • AmazonGlobal

    Check price
    ~$39Visit
  • AzioUS

    In stock
    $33Visit
  • AmazonGlobal

    Check price
    ~$33Visit

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.

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