Card types and form-factor distinctions

Scope and location

CF uses PATA; CFast uses SATA; CFexpress uses PCIe/NVMe; Type B and XQD share a form factor but camera support is conditional.

CFexpress Form Factors; Type A versus Type B; Legacy Standards

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Inspected

2026-10-03

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Recorded AI-assisted source inspection; not independent human approval or hardware testing.

No copied tables, logos, numeric throughput promises, exhaustive market status or licensed normative specification. Text-only scope.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.