Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 2, 2026

ATTACK SHARK X68 HE vs Redragon CASTOR K631 Pro

Get the ATTACK SHARK X68 HE for hall effect and rapid trigger.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

ATTACK SHARK X68 HE

Hall effect

Build quality in the bottom 40% of 65% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Redragon CASTOR K631 Pro

Build quality in the bottom 35% of 65% boards under $50.

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.

ATTACK SHARK X68 HE

Redragon CASTOR K631 Pro

  • 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

  • Case material

    Aluminum

    Plastic

  • Switch options

    Clicky, Linear, Magnetic

    Linear

KeebFinder scores

How we score
  • ATTACK SHARK X68 HE
  • Redragon CASTOR K631 Pro
Performance
92
72
Build quality
58
56
Productivity
59
54
Customizability
61
58
Portability
71
85

What they share

  • Layout size: 65%
  • Hot-swappable
See every spec side by side

Full specs

ATTACK SHARK X68 HE vs Redragon CASTOR K631 Pro specs

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

12 of 21 specs differ

ATTACK SHARK X68 HE

Redragon CASTOR K631 Pro

Typing & switches

Switch options

Clicky, Linear, Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

—
Bottom Mount

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
1,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Plastic

Keycaps

PBT
ABS

Weight

950 g
470 g

Dimensions

60 x 150 x 350 mm
40 x 309 x 104 mm

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
No

Extras

Released

2025
2026

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.