Check the card-reader path

Keep card family, exact reader, optional camera slot and host USB endpoint separate. Family documentation does not establish recording-mode or sustained performance.

Use exact documented inputs or leave the gap explicitCard familyExact reader modelOptional camera modelCamera slotExact documented computer USB host port

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Decision field guide 08 Media path

The reader is another compatibility gate

XQD and CFexpress Type B can share a form factor without interchangeable camera, firmware or reader support.

Conceptual media path decision path; steps and conditions appear in the text equivalent alongside. Illustration not to scale or a compatibility finding. — Original explanatory schematic · not to scale · read the exact source scope. Scroll horizontally on small screens.

Read the decision

Check the camera’s model, firmware version and expressly supported card formats.
Select the actual card family, not just a similar card outline.
Verify the exact reader’s media support and then verify its host-side cable/USB path separately.

Still unknown: Shared outline does not establish firmware updates, cross-format reader support or transfer speed.

Read exact-reader support

Existing evidence: C134A · C134B · C138A · C138B source records S096 · S437 · S106 · S107. See each source record for its inspection date and scope; graphic interpretation remains pending independent technical and publication review.