Redragon CASTOR K631 HE vs Ktechs Rainy75
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
Ktechs Rainy75
Layout size
65%
75%
Hall effect (magnetic)
Yes
No
Rapid trigger
Yes
No
Connection
Wired
Wireless
Max polling rate
8,000 Hz
1,000 Hz
- Redragon CASTOR K631 HE
- Ktechs Rainy75
- Performance
- 9247
- Build quality
- 4365
- Productivity
- 4946
- Customizability
- 4742
- Portability
- 6674
Redragon CASTOR K631 HE vs Ktechs Rainy75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 18 specs differ
Redragon CASTOR K631 HE
Ktechs Rainy75
Switch options
Hall effect (magnetic)
Rapid trigger
Mount style
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Weight
Dimensions
Backlight
Released
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