Ajazz AK820 Pro vs Redragon CASTOR K631 HE
Get the Ajazz AK820 Pro for hot-swappable. Get the Redragon CASTOR K631 HE for hall effect and rapid trigger.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
4.6 (256)4.6 · 256 reviews
from$55at Epomaker
90-day lowLowest price in 90 days
No reviews
from$39at Redragon
Which one should you get?
Get the
Ajazz AK820 Pro
Hot-swappable
Build quality in the bottom 50% of 75% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No numpad.
Get the
Redragon CASTOR K631 HE
Hall effect
Build quality in the bottom 5% of 65% boards under $50.
- Magnetic switches only. Standard MX switches will not fit.
- 65% layout. No function row and no numpad.
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.
Ajazz AK820 Pro
Redragon CASTOR K631 HE
Layout size
75%
65%
Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Wireless for several devices and wired for lower latency
Hot-swappable
Yes
No
Switch changes without soldering
- Ajazz AK820 Pro
- Redragon CASTOR K631 HE
- Performance
- 6192
- Build quality
- 6542
- Productivity
- 8248
- Customizability
- 7247
- Portability
- 7966
Ajazz AK820 Pro vs Redragon CASTOR K631 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 24 specs differ
Ajazz AK820 Pro
Redragon CASTOR K631 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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.
- Check on Amazon
Amazon
Check price
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.












![[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)

