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Head to head · Prices checked Oct 23, 2026

Nuphy Air60 V2 vs Redragon CASTOR K631 HE

Get the Nuphy Air60 V2 for hot-swappable. Get the Redragon CASTOR K631 HE for hall effect and rapid trigger.

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.

Nuphy Air60 V2

Redragon CASTOR K631 HE

  • Layout size

    60%

    65%

  • Hall effect (magnetic)

    No

    Yes

  • Rapid trigger

    No

    Yes

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

  • Hot-swappable

    Yes

    No

KeebFinder scores

How we score
  • Nuphy Air60 V2
  • Redragon CASTOR K631 HE
Performance
74
92
Build quality
80
43
Productivity
82
49
Customizability
94
47
Portability
88
66
See every spec side by side

Full specs

Nuphy Air60 V2 vs Redragon CASTOR K631 HE specs

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

18 of 27 specs differ

Nuphy Air60 V2

Redragon CASTOR K631 HE

Typing & switches

Switch options

Clicky, Linear, Low-profile Mechanical, Tactile
Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
No

Low profile

Yes
No

Sound dampening

Yes
No

Layout

Layout size

60%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

2,500 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Plastic

Plate material

Aluminum
—

Keycaps

PBT
—

Weight

463 g
638 g

Dimensions

14 x 297 x 107 mm
33 x 323 x 107 mm

Typing angle

3°
—

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • NuphyUS

    In stock
    $70Visit
  • AmazonGlobal

    Check price
    Visit
  • ktechsSG

    Out of stock
    $150Visit
  • RedragonCN

    In stock
    $39Visit
  • AmazonGlobal

    Check price
    ~$39Visit

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