Redragon CASTOR K631 HE vs Keychron B31
Get the Redragon CASTOR K631 HE for hall effect and rapid trigger.
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
Keychron B31
Layout size
65%
75%
Hall effect (magnetic)
Yes
No
Rapid trigger
Yes
No
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Max polling rate
8,000 Hz
1,000 Hz
- Redragon CASTOR K631 HE
- Keychron B31
- Performance
- 9259
- Build quality
- 4352
- Productivity
- 4969
- Customizability
- 4747
- Portability
- 6679
Redragon CASTOR K631 HE vs Keychron B31 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 22 specs differ
Redragon CASTOR K631 HE
Keychron B31
Switch options
Hall effect (magnetic)
Rapid trigger
Mount style
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Typing angle
Backlight
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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.
Not sold on either?
![[In Stock] Kataaa Model VI Mechanical Keyboard](https://cdn.shopify.com/s/files/1/1674/0405/files/561A0264.jpg?v=1738921435&width=3840&quality=75)
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.