U.2 (SFF-8639) ↔ SD Card Slot
Compatibility check and signal path analysis
Adapter Required
These connectors are not directly compatible. An adapter or converter cable is needed.
Recommended: U.2 (SFF-8639) to SD Card Slot adapter
Signal Path
U.2 (SFF-8639)
Family
Storage
Form Factor
Dual-port wide
Pin Count
68
Reversible
No
SD Card Slot
Family
Storage
Form Factor
SD full-size
Pin Count
9
Reversible
No
Notes
U.2 (SFF-8639) to SD Card Slot: Both are storage connectors but may use different interfaces. An adapter or enclosure may bridge them, but speed will be limited by the slower interface. The U.2 (SFF-8639) (Storage) and SD Card Slot (Storage) share the same connector family.