Can I connect S/PDIF Coaxial to M.2 (B-key)?

S/PDIF Coaxial and M.2 (B-key) are not directly compatible.

Do I need an adapter for S/PDIF Coaxial to M.2 (B-key)?

No, S/PDIF Coaxial and M.2 (B-key) can be connected directly without an adapter.

Will connecting S/PDIF Coaxial to M.2 (B-key) cause signal loss?

No significant signal degradation is expected when connecting S/PDIF Coaxial to M.2 (B-key).

S/PDIF Coaxial ↔ M.2 (B-key)

Compatibility check and signal path analysis

Adapter Required

These connectors are not directly compatible. An adapter or converter cable is needed.

Signal Path

S/PDIF Coaxial Audio

M.2 (B-key) Unknown

S/PDIF Coaxial

Family Audio

Form Factor Circular push-fit (orange/black)

Pin Count 1

Reversible No

M.2 (B-key)

Family Storage

Form Factor Card-edge socket

Pin Count 67

Reversible No

Notes

S/PDIF Coaxial to M.2 (B-key): Audio connectors and storage connectors serve entirely different purposes. The S/PDIF Coaxial (Audio) and M.2 (B-key) (Storage) are from different connector families.