U.2 (SFF-8639) ↔ SD Card Slot
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://cablefyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://cablefyi.com/entity//
Add a dynamic SVG badge to your README or docs.
[](https://cablefyi.com/entity//)
Use the native HTML custom element.
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.