Sensy Supernova SonoShell vs FE 21.3 Helios 88
Get the Sensy Supernova SonoShell for hall effect and sound dampening.
![[Group Buy] Supernova 60% SonoShell Keyboard Kit by Sensy - Image: 3](https://cdn.shopify.com/s/files/1/1674/0405/files/AEVUM-BACK.png?v=1787032264&width=3840&quality=75)
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.
Sensy Supernova SonoShell
FE 21.3 Helios 88
Hall effect (magnetic)
Yes
No
Case material
Aluminum, Polycarbonate
Aluminum
Sound dampening
Yes
No
Plate material
Aluminum, Plastic, Polycarbonate
Aluminum, CarbonFiber, FR4, Polycarbonate, POM
Released
2026
2025
- Sensy Supernova SonoShell
- FE 21.3 Helios 88
- Performance
- 5149
- Build quality
- 5956
- Productivity
- 5151
- Customizability
- 5750
- Portability
- 6645
- Hot-swappable
Sensy Supernova SonoShell vs FE 21.3 Helios 88 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 16 specs differ
Sensy Supernova SonoShell
FE 21.3 Helios 88
Switch options
Hall effect (magnetic)
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Case material
Plate material
Weight
Dimensions
Typing angle
Backlight
Released
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