Qwertykeys QK65 Mk3 vs Sikakeyb Castle HM66
Get the Qwertykeys QK65 Mk3 for hot-swappable and knob. Get the Sikakeyb Castle HM66 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.
Qwertykeys QK65 Mk3
Sikakeyb Castle HM66
Hall effect (magnetic)
No
Yes
Rapid trigger
No
Yes
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Hot-swappable
Yes
No
Knob
Yes
No
- Qwertykeys QK65 Mk3
- Sikakeyb Castle HM66
- Performance
- 6486
- Build quality
- 6943
- Productivity
- 8052
- Customizability
- 7247
- Portability
- 8963
- Layout size: 65%
- Case material: Aluminum
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Qwertykeys QK65 Mk3
7 owner reviews
“The board is really nice quality and visually stunning. I’m a huge fan of retro gaming so this felt like I necessary purchase. It feels nice to type on at the angle and height. This may become my daily driver for the home office.”
“I was really looking forward to the Qwertykeys QK65 Mk3 Prebuilt, but right out of the box, the left control key was completely unresponsive. After doing some of my own troubleshooting, I pulled the switch and found that one of the pins was bent a full 90…”
Sikakeyb Castle HM66
No owner reviews collected yet.
Qwertykeys QK65 Mk3 vs Sikakeyb Castle HM66 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 24 specs differ
Qwertykeys QK65 Mk3
Sikakeyb Castle HM66
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
Typing angle
Backlight
Mac & Windows
Released
Compare prices
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