FIELD GUIDESource-led reference
Port & Cable

E119 · No electrical assignment published

CompactFlash Type I card interface engineering reference

PATA CompactFlash is not SATA CFast or PCIe/NVMe CFexpress. The RDF8 example establishes only its stated CompactFlash UDMA7 family support.

Open field noteSource trail

Source checked · no independent review claimed · Fabrication approved: no

CompactFlash Type I card interface — original, not-to-scale identification schematic; drawing review pending
View Label-led card symbolDepiction Card symbol; interface face not shownSymbol only — not interface geometryNot to scale · independent drawing review pending
Identification schematic only · not to scale · drawing review pending. No engineering drawing is published for this profile.

Orientation

How to read this profile

Existing identification-only schematic. No mating-face numbering, pin-side transformation or mechanical template is supplied.

Source-scoped identification facts

Each value retains its exact example, role and measurement axis. Facts from different parts must not be combined into an invented component.

Documented examples; not a mating drawing or compatibility approval
Nominal contacts50S847Fifty-contact interface; recessed contacts may not be visible without a manufacturer illustration.
Connector rolecard (TS32GCF800)S920Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. TS32GCF800. Documented role: card. Actual full official2page PDF captured and hashed. Dimensions tuple is explicit, but table does not name width/length axes.; CFA legacy mechanical specifications require non-member purchase; no purchase attempted and no extra pitch/key geometry invented.
ManufacturerTranscend (TS32GCF800)S920Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. TS32GCF800. Documented role: card. Actual full official2page PDF captured and hashed. Dimensions tuple is explicit, but table does not name width/length axes.; CFA legacy mechanical specifications require non-member purchase; no purchase attempted and no extra pitch/key geometry invented.
SeriesCompactFlash800 (TS32GCF800)S920Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. TS32GCF800. Documented role: card. Actual full official2page PDF captured and hashed. Dimensions tuple is explicit, but table does not name width/length axes.; CFA legacy mechanical specifications require non-member purchase; no purchase attempted and no extra pitch/key geometry invented.
Exact part / implementationTS32GCF800 (TS32GCF800)S920Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. TS32GCF800. Documented role: card. Actual full official2page PDF captured and hashed. Dimensions tuple is explicit, but table does not name width/length axes.; CFA legacy mechanical specifications require non-member purchase; no purchase attempted and no extra pitch/key geometry invented.

Not recorded: Positions / cavity span, Populated contacts, Contact rows, Contact pitch, Dimensions / axis, Contact gender / arrangement, Mounting, Coupling / latch, Keying / polarization, Shell / form, Recorded markings, View convention. Unknown fields stay unknown; illustrations supply no measurements or pin assignments.

Recorded variant and source limits
  • Neither RDF8 sheet resolves Type I/II thickness, capacity or firmware limits for an arbitrary host.
  • No independently reviewed card dimensions, contact count, contact assignments or tolerance drawing are published in this profile.
  • A bus generation, lane count, VPG class or connector shape is not measured performance or a complete compatibility verdict.
Report a correction to these facts →

Unknowns stay unknown.

  • Neither RDF8 sheet resolves Type I/II thickness, capacity or firmware limits for an arbitrary host.
  • No independently reviewed card dimensions, contact count, contact assignments or tolerance drawing are published in this profile.
  • A bus generation, lane count, VPG class or connector shape is not measured performance or a complete compatibility verdict.

Your next step

Use the detail without guessing past its limits.

Read the connector field note Recognition clues and practical checks.Work through a connection Keep exact equipment and cable requirements separate.

Source trail

Claims and sources

C119Bsource checked

The CompactFlash Association identifies CompactFlash with the PATA interface.

CompactFlash Association · Card types and form-factor distinctions ↗
CFexpress Form Factors; Type A versus Type B; Legacy Standards · No copied tables, logos, numeric throughput promises, exhaustive market status or licensed normative specification. Text-only scope.

C119Csource checked

The RDF8 sheets list CompactFlash UDMA7 separately from SD and microSD UHS-I. The named TS-RDF8K2 / TS-RDF8W2 reader examples do not establish CFast or CFexpress support.

Transcend · RDF8 product sheet — Transcend-RDF8.pdf ↗
PDF pages 1–2 visually inspected; card slots, Compatibility, Performance, Ordering Information and three-card insertion wording. No printed revision identifier. · Concurrent-operation wording is compared with S440 and remains unresolved. Document age or hardware revision is not inferred from a filename. No measured aggregate transfer, exact-card or OS certification.

Transcend · RDF8 product sheet — EN_RDF8_PS_1905.pdf ↗
PDF pages 1–2 visually inspected: page 1 Additional Features, page 2 Operating Environment Note and Compatibility. Page 3 multi-product comparison not adopted. · Page 1 allows two-card insertion while page 2 says it is unsupported. Kept as an unresolved documentation conflict, not a chosen device capability. Filename is not treated as a verified revision date.

3 source records support this profile. No independent engineering review or hardware validation is claimed.

Evidence behind this page

Scope first. Source second. Approval separate.

3 linked sources · 2 scoped claims · 0 sources with inspection/access flags.

Page scope: No V81 engineering drawing added. The inherited recognition illustration is unnumbered and not to scale.

Assessment 2026-10-22 · earliest scheduled source review 2027-01-01. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 3 source scopes, access limits and dates

S096 · Card types and form-factor distinctions

CompactFlash Association · Standards-organization domain · inspected 2026-10-03 · due 2027-01-01

Within inspection window

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

Not established / limitations: No copied tables, logos, numeric throughput promises, exhaustive market status or licensed normative specification. Text-only scope.

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

S439 · RDF8 product sheet — Transcend-RDF8.pdf

Transcend · Manufacturer / product-owner domain · inspected 2026-10-08 · due 2027-01-06

Within inspection window

Scoped support: TS-RDF8K2 / TS-RDF8W2 selected media slots, CompactFlash UDMA7, SD/microSD UHS-I, USB 3.1 Gen 1 description.

Not established / limitations: Concurrent-operation wording is compared with S440 and remains unresolved. Document age or hardware revision is not inferred from a filename. No measured aggregate transfer, exact-card or OS certification.

Locator: PDF pages 1–2 visually inspected; card slots, Compatibility, Performance, Ordering Information and three-card insertion wording. No printed revision identifier.

S440 · RDF8 product sheet — EN_RDF8_PS_1905.pdf

Transcend · Manufacturer / product-owner domain · inspected 2026-10-08 · due 2027-01-06

Within inspection window

Scoped support: TS-RDF8K2 / TS-RDF8W2 UHS-II cards at UHS-I speeds and contradictory simultaneous-insertion wording.

Not established / limitations: Page 1 allows two-card insertion while page 2 says it is unsupported. Kept as an unresolved documentation conflict, not a chosen device capability. Filename is not treated as a verified revision date.

Locator: PDF pages 1–2 visually inspected: page 1 Additional Features, page 2 Operating Environment Note and Compatibility. Page 3 multi-product comparison not adopted.

Trace 2 claims to their source records

C119B · P119

The CompactFlash Association identifies CompactFlash with the PATA interface.

Claim scope: Identification and explicitly scoped documentation only; not an end-to-end connection approval

Source links: S096 · Evidence trail → (private workspace)

C119C · P119

The RDF8 sheets list CompactFlash UDMA7 separately from SD and microSD UHS-I. The named TS-RDF8K2 / TS-RDF8W2 reader examples do not establish CFast or CFexpress support.

Claim scope: Both sheets PDF page 2 Compatibility and Ordering Information; no Type I/II thickness or electrical assignment adopted.

Source links: S439 · S440 · Evidence trail → (private workspace)

Prepare this page for review → (private workspace)Read the evidence method →

Recorded evidence only. An inspection date, publisher label, source link or generated packet is not independent technical review, hardware testing, fabrication approval or a compatibility verdict.