Side by side

Internal SATA data versus eSATA

External data cabling does not establish the device power arrangement.

Computer-generated illustration, not a photograph. — P029 · ConnectorSATA 7-pin data connector

How they differ

SATA 7-pin data connector Look for the narrow, keyed data connection. Read the device service guidance before opening equipment; the atlas provides recognition, not a repair procedure.
eSATA 7-pin data connector Look for the eSATA label and compare the external keyed housing with the device manual; do not substitute internal SATA by shape.

At a glance

Source-scoped form facts; counts, variants and unknowns are distinct
Field	SATA 7-pin data connector	eSATA 7-pin data connector
Type	Connector	Connector
Family	Storage	Storage
Shape	keyed	keyed
Nominal contacts	7S032 · S193Serial ATA data connector reference; nominal engineering count, not automatically positions, population or a device wiring map. Serial ATA data connector reference	7S094Nominal contact count; some implementations may omit populated positions. It is not a wiring map.
Positions / cavity span	7 (Claim C029B)S193Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Named product example only; contact count plus example pitch, excluding full SATA pin assignment and mating tolerances	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact rows	1 (0678005021)S193Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 0678005021: Seven-circuit Serial ATA PCB header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. No physical wiring layout is reconstructed from product attributes; manufacturer labels online information limited.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Connector role	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	plug (ESATA3)S637Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. ESATA3. Documented role: plug. Productwidth15mm andheight9mm describe assembly without endpoint-specific view,so not counted as connector dimensions.; Currenttable temperature20to80C andstorage23to25C appear unusual; no thermal generalization adopted.; Cable length andpackaging sizes excluded from geometry; pitch/rows still not established.
Key distinction	A data connector is not a power connector.	External data and external power need separate evidence.

Full evidence ledger and sources ↓

Illustrations are computer-generated with prior AI visual review; independent technical and rights review pending. A comparison is not a compatibility verdict.

This comparison stays within one evidence layer.

All selected records are Connector records. Similar layer does not mean compatible, interchangeable or safe to mate.

Families represented: Storage

Look here first

Spot the difference.

Read the views →

Not a size comparison. Illustrations fit the same display boxes; their physical dimensions are not shown to a common scale. No mating or compatibility verdict follows.

P029 / Front-oriented outline

SATA 7-pin data connector

Role not specified

Visible clue: Narrow keyed opening, not the separate power section

Copper-colored marks are illustrative, not numbered contacts.

Still check: The sketch does not show the complete drive-side data-and-power assembly.

P118 / Front-oriented outline study

eSATA 7-pin data connector

Role not specified

Visible clue: External SATA label and keyed opening

Dots are illustrative, not numbered interface assignments.

Still check: Do not substitute internal SATA or infer a power connection from this outline.

The reference ledger

Read the same question across.

2 selected records · 18 fields
No score. No compatibility verdict.

On a narrow screen, scroll the table sideways or open the field-by-field reading view below. Illustrations are not a size comparison.

Comparison of selected field notes; source links accompany each documented specification
What you are comparing	P029 / ConnectorSATA 7-pin data connector Identification schematic · not to scale · drawing review pending	P118 / ConnectoreSATA 7-pin data connector Identification schematic · not to scale · drawing review pending
Layer	Connector	Connector
Key distinction	A data connector is not a power connector.	External data and external power need separate evidence.
Nominal contacts	7S032 · S193Serial ATA data connector reference; nominal engineering count, not automatically positions, population or a device wiring map. Serial ATA data connector reference	7S094Nominal contact count; some implementations may omit populated positions. It is not a wiring map.
Positions / cavity span	7 (Claim C029B)S193Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Named product example only; contact count plus example pitch, excluding full SATA pin assignment and mating tolerances	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Populated contacts	7 (0678005021)S193Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 0678005021: Seven-circuit Serial ATA PCB header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. No physical wiring layout is reconstructed from product attributes; manufacturer labels online information limited.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact rows	1 (0678005021)S193Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 0678005021: Seven-circuit Serial ATA PCB header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. No physical wiring layout is reconstructed from product attributes; manufacturer labels online information limited.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact pitch	1.27 mm Example product pitch (Recorded example component); 1.27 mm Source-described pitch / centerline (Claim C029B)S193Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. example_component; Serial ATA data connector reference Named product example only; contact count plus example pitch, excluding full SATA pin assignment and mating tolerances	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Dimensions / axis	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Connector role	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	plug (ESATA3)S637Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. ESATA3. Documented role: plug. Productwidth15mm andheight9mm describe assembly without endpoint-specific view,so not counted as connector dimensions.; Currenttable temperature20to80C andstorage23to25C appear unusual; no thermal generalization adopted.; Cable length andpackaging sizes excluded from geometry; pitch/rows still not established.
Coupling / latch	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Keying / polarization	manufacturer reports keyed and polarized to mating part (0678005021)S193Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 0678005021: Seven-circuit Serial ATA PCB header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. No physical wiring layout is reconstructed from product attributes; manufacturer labels online information limited.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Function covered	SATA data connectorC029A	Not an equivalent field
Contacts	7; no pin assignment providedC029A	Not an equivalent field
Exact-board resource sharing	AC-HES example: populating M.2_2 disables SATA6G_56, not every SATA connector.C029C	Not an equivalent field
Documented identification	Not an equivalent field	StarTech ESATA3 specifies seven-pin eSATA connectors at both ends.C118A
Important distinction	Not an equivalent field	The product is an external SATA storage data cable.C118B
Named V153 component role	Not an equivalent field	StarTech ESATA3 — External cable end. Named cable assembly; no power-delivery claim.C118A · C118B · C118C
Evidence	C029A,C029C,C029D → Independent review pending	C118A,C118B,C118C → Independent review pending

Read field by field — no sideways scrolling

The same selected records, fields, values and source links as the table. Missing fields remain non-equivalent; no values are merged.

Layer

SATA 7-pin data connectorP029 / Connector: Connector
eSATA 7-pin data connectorP118 / Connector: Connector

Key distinction

SATA 7-pin data connectorP029 / Connector: A data connector is not a power connector.
eSATA 7-pin data connectorP118 / Connector: External data and external power need separate evidence.

Nominal contacts

SATA 7-pin data connectorP029 / Connector: 7S032 · S193Serial ATA data connector reference; nominal engineering count, not automatically positions, population or a device wiring map. Serial ATA data connector reference
eSATA 7-pin data connectorP118 / Connector: 7S094Nominal contact count; some implementations may omit populated positions. It is not a wiring map.

Positions / cavity span

SATA 7-pin data connectorP029 / Connector: 7 (Claim C029B)S193Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Named product example only; contact count plus example pitch, excluding full SATA pin assignment and mating tolerances
eSATA 7-pin data connectorP118 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Populated contacts

SATA 7-pin data connectorP029 / Connector: 7 (0678005021)S193Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 0678005021: Seven-circuit Serial ATA PCB header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. No physical wiring layout is reconstructed from product attributes; manufacturer labels online information limited.
eSATA 7-pin data connectorP118 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Contact rows

SATA 7-pin data connectorP029 / Connector: 1 (0678005021)S193Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 0678005021: Seven-circuit Serial ATA PCB header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. No physical wiring layout is reconstructed from product attributes; manufacturer labels online information limited.
eSATA 7-pin data connectorP118 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Contact pitch

SATA 7-pin data connectorP029 / Connector: 1.27 mm Example product pitch (Recorded example component); 1.27 mm Source-described pitch / centerline (Claim C029B)S193Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. example_component; Serial ATA data connector reference Named product example only; contact count plus example pitch, excluding full SATA pin assignment and mating tolerances
eSATA 7-pin data connectorP118 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Dimensions / axis

SATA 7-pin data connectorP029 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
eSATA 7-pin data connectorP118 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Connector role

SATA 7-pin data connectorP029 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
eSATA 7-pin data connectorP118 / Connector: plug (ESATA3)S637Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. ESATA3. Documented role: plug. Productwidth15mm andheight9mm describe assembly without endpoint-specific view,so not counted as connector dimensions.; Currenttable temperature20to80C andstorage23to25C appear unusual; no thermal generalization adopted.; Cable length andpackaging sizes excluded from geometry; pitch/rows still not established.

Coupling / latch

SATA 7-pin data connectorP029 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
eSATA 7-pin data connectorP118 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Keying / polarization

SATA 7-pin data connectorP029 / Connector: manufacturer reports keyed and polarized to mating part (0678005021)S193Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 0678005021: Seven-circuit Serial ATA PCB header. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. No physical wiring layout is reconstructed from product attributes; manufacturer labels online information limited.
eSATA 7-pin data connectorP118 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Function covered

SATA 7-pin data connectorP029 / Connector: SATA data connectorC029A
eSATA 7-pin data connectorP118 / Connector: Not an equivalent field

Contacts

SATA 7-pin data connectorP029 / Connector: 7; no pin assignment providedC029A
eSATA 7-pin data connectorP118 / Connector: Not an equivalent field

Exact-board resource sharing

SATA 7-pin data connectorP029 / Connector: AC-HES example: populating M.2_2 disables SATA6G_56, not every SATA connector.C029C
eSATA 7-pin data connectorP118 / Connector: Not an equivalent field

Documented identification

SATA 7-pin data connectorP029 / Connector: Not an equivalent field
eSATA 7-pin data connectorP118 / Connector: StarTech ESATA3 specifies seven-pin eSATA connectors at both ends.C118A

Important distinction

SATA 7-pin data connectorP029 / Connector: Not an equivalent field
eSATA 7-pin data connectorP118 / Connector: The product is an external SATA storage data cable.C118B

Named V153 component role

SATA 7-pin data connectorP029 / Connector: Not an equivalent field
eSATA 7-pin data connectorP118 / Connector: StarTech ESATA3 — External cable end. Named cable assembly; no power-delivery claim.C118A · C118B · C118C

Evidence

SATA 7-pin data connectorP029 / Connector: C029A,C029C,C029D →
Independent review pending
eSATA 7-pin data connectorP118 / Connector: C118A,C118B,C118C →
Independent review pending

Your next step

Use the distinction in context.

Open the field notes Read source-linked facts and limitations.Compare another pair Start from a common confusion.Check a connection A comparison is not a compatibility verdict.

Continue the distinction

Compare next

Browse every comparison →

SATA data vs SATA powerSATA data and SATA power are separate connectors with different roles and contact counts. Sharing the SATA name does not make them substitutes.M.2 card edge vs SATA data connectorM.2 is a keyed module interface, not another name for the seven-pin SATA data connector. An M.2 module may use SATA, but its exact host support and physical connection still differ.SATA, Slimline SATA and Micro SATAWhich physical SATA-family variant does the exact device specify?Mini-SAS HD vs OCuLinkMini-SAS HD and OCuLink are different connector families used in high-speed internal links. Physical resemblance is not evidence of mating or protocol compatibility.Mini-SAS HD vs SlimSASMini-SAS HD and SlimSAS are different internal high-density connector families. Match the named SFF form and system documentation, not the general SAS label.CFast versus CFexpress Type BSATA CFast is not PCIe/NVMe CFexpress. Check the full card and reader names before checking performance.

Adjust this comparison

Add a field note

Evidence behind this page

Scope first. Source second. Approval separate.

5 linked sources · 6 scoped claims · 0 sources with inspection/access flags.

Page scope: Evidence behind the compared records; the editorial comparison still needs separate review.

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 5 source scopes, access limits and dates

S032 · SATA18 data cable

StarTech.com · Manufacturer / product-owner domain · inspected 2026-10-07 · due 2027-01-05

Within inspection window

Scoped support: Seven-contact SATA data connector, not the separate power connector.

Not established / limitations: Exact SATA18 product description only. Seven-contact data receptacles do not establish separate SATA power wiring. No universal rate, length, dimensional or mating guarantee is adopted.

Locator: PDF p. 1: two seven-contact data receptacles; p. 3: Connector(s) table, visually inspected.

S094 · ESATA3 external storage cable — connectors

StarTech.com · Manufacturer / product-owner domain · inspected 2026-10-03 · due 2027-01-01

Within inspection window

Scoped support: Seven-pin eSATA end forms on an external storage data cable.

Not established / limitations: Product speed and mechanical-life ratings are not universal limits; no powered-eSATA or power adapter approval.

Locator: Connector(s); Product Description

S429 · PRIME B550-PLUS AC-HES User’s Manual

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

Within inspection window

Scoped support: Selected storage and PCIe slot roles for PRIME B550-PLUS AC-HES only, with CPU, slot population and SATA-sharing conditions.

Not established / limitations: Not the ordinary PRIME B550-PLUS or every B550 motherboard. Selected internal groups only; no current BIOS verification, boot qualification, entire port inventory or hardware test. Manual conditions must not be generalized.

Locator: E18712, First Edition, July 2021; specification summary printed vi–vii and layout 1-2. PDF pages 2, 6, 7 and 12 visually inspected.

S492 · USB3S2SAT3CB USB to SATA adapter datasheet

StarTech.com · Manufacturer / product-owner domain · inspected 2026-10-11 · due 2027-01-09

Within inspection window

Scoped support: Named 2.5-inch SATA adapter and explicit 3.5-inch drive exclusion. SAS support is not established.

Not established / limitations: Named example only. No universal compatibility or publication approval. Raw-byte acquisition status is recorded separately.

Locator: PDF page 2: drive-size exclusion and compatibility paragraphs; visually inspected.

S637 · ESATA3 external eSATA cable — manufacturer datasheet

StarTech.com · Manufacturer / product-owner domain · inspected 2026-10-14 · due 2027-01-12

Within inspection window

Scoped support: ESATA3 named shielded cable assembly. Seven-pin ends and advertised up-to-6-Gbps transfer statement, not a universal interface or system guarantee.

Not established / limitations: No issue date established. Product width/height are not mating dimensions. Unusual environmental rows and inconsistent product/package weights are not promoted. No power-delivery, powered-eSATA or pinout inference.

Locator: Page 1: Product ID, oblique cable-end photograph and Features. Page 2: Connector(s) table. Both pages rendered and inspected.

Trace 6 claims to their source records

C029A · P029

SATA data cables use a seven-contact connector distinct from the separate power connection.

Claim scope: Consumer identification / documented standard or product class only

Source links: S032 · Evidence trail → (private workspace)

C029C · P029

The PRIME B550-PLUS AC-HES manual states that populating M.2_2 disables the SATA6G_56 ports. Its condition is not limited in that note to installing a SATA-mode M.2 SSD.

Claim scope: E18712 printed vii, exact board, M.2_2 and SATA6G_56 labels; not a rule for other boards or other slots.

Source links: S429 · Evidence trail → (private workspace)

C029D · P029

StarTech USB3S2SAT3CB supports 2.5-inch SATA SSD/HDD use and explicitly excludes 3.5-inch hard drives.

Claim scope: Named USB-to-SATA adapter. Do not generalize this product limitation to every powered SATA dock or infer SAS support.

Source links: S492 · Evidence trail → (private workspace)

C118A · P118

StarTech ESATA3 specifies seven-pin eSATA connectors at both ends.

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

Source links: S094 · Evidence trail → (private workspace)

C118B · P118

The product is an external SATA storage data cable.

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

Source links: S094 · Evidence trail → (private workspace)

C118C · P118

The ESATA3 datasheet advertises a transfer rate up to 6 Gbps for this named external eSATA cable.

Claim scope: Manufacturer cable-assembly claim only, not measured system throughput or the capability of every seven-pin connector. No device power or powered-eSATA capability is established.

Source links: S637 · Evidence trail → (private workspace)

Prepare this page for review →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.