DC Barrel 5.5/2.1mm ↔ M.2 (M-key)
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Compatibility check and signal path analysis
Adapter Required
These connectors are not directly compatible. An adapter or converter cable is needed.
Signal Path
DC Barrel 5.5/2.1mm
Family
Power
Form Factor
Cylindrical barrel
Pin Count
2
Reversible
No
M.2 (M-key)
Family
Storage
Form Factor
Card-edge socket
Pin Count
67
Reversible
No
Notes
DC Barrel 5.5/2.1mm to M.2 (M-key): Storage and power connectors serve different purposes, though some storage connectors (SATA) include power delivery pins. The DC Barrel 5.5/2.1mm (Power) and M.2 (M-key) (Storage) are from different connector families.