Side by side

Mini PCI Express/mSATA versus M.2

Is the host using the older 52-position Mini PCIe/mSATA connector family or an M.2 keyed card-edge form? Similar internal-card roles do not make them physically or electrically interchangeable.

Computer-generated illustration, not a photograph. — P298 · ConnectorMini PCI Express / mSATA 52-position socket

M.2 card edge interface: original recognition drawing, not to scale — P030 · ConnectorM.2 card edge interface

How they differ

Mini PCI Express / mSATA 52-position socket Confirm the 52-position Mini PCI Express/mSATA socket family and read the host documentation before assuming whether the slot carries PCIe, SATA or both.
M.2 card edge interface Record the module length, key arrangement and exact host-slot specification. The schematic is illustrative: neither its length nor contact spacing is an engineering measurement.

At a glance

Source-scoped form facts; counts, variants and unknowns are distinct
Field	Mini PCI Express / mSATA 52-position socket	M.2 card edge interface
Type	Connector	Connector
Family	Storage	Storage
Shape	card edge	card edge
Nominal contacts	52S339Source-backed nominal position/contact count for identification: 52. Not a pinout or manufacturing drawing.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Positions / cavity span	52 (Claim C298A); 52 (Claim C298B)S339 · S358Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V50 identification fact only; no wiring, protocol compatibility, installation or fabrication approval is inferred. Numbering/orientation context for the cited connector example only; no Mini PCIe or mSATA signal assignment is normalized.	67 (TE C-2199230 representative M-key socket)S594Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V143: the named drawing/revision or exact product page only. Recognition and document-role evidence; not a pinout, adapter verdict, dimensioned mating gauge, electrical approval or current installed-device claim.
Contact rows	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	2 (1-2199230-5)S872Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 1-2199230-5: M-key M.2 board connector. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Connector envelope is distinct from existing22x42/80mm card dimensions; no NVMe/SATA capability guarantee.
Connector role	socket (1759513-1)S339Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1759513-1. Documented role: socket. 52position Mini PCI Express board-to-board connector; shared shape does not establishmSATA electrical routing.	card-edgeS033 · S426 · S427 · S427 · S427 · S429 · S429Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Keyed module card-edge interface family
Key distinction	The shared 52-position socket family does not make Mini PCIe and mSATA electrically interchangeable; host implementation still controls supported signals.	M.2 is a form-factor family; NVMe describes a different layer.

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

Application comparison / concept only

M.2 and mSATA: shape is one check

Separate card format, storage interface and mounting.

M.2 storage →mSATA / Mini PCIe socket →

Not a general compatibility verdict. S033 · S339 · S491

The reference ledger

Read the same question across.

2 selected records · 21 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	P298 / ConnectorMini PCI Express / mSATA 52-position socket Identification schematic · not to scale · drawing review pending	P030 / ConnectorM.2 card edge interface Identification schematic · not to scale · drawing review pending
Layer	Connector	Connector
Key distinction	The shared 52-position socket family does not make Mini PCIe and mSATA electrically interchangeable; host implementation still controls supported signals.	M.2 is a form-factor family; NVMe describes a different layer.
Nominal contacts	52S339Source-backed nominal position/contact count for identification: 52. Not a pinout or manufacturing drawing.	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Positions / cavity span	52 (Claim C298A); 52 (Claim C298B)S339 · S358Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V50 identification fact only; no wiring, protocol compatibility, installation or fabrication approval is inferred. Numbering/orientation context for the cited connector example only; no Mini PCIe or mSATA signal assignment is normalized.	67 (TE C-2199230 representative M-key socket)S594Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V143: the named drawing/revision or exact product page only. Recognition and document-role evidence; not a pinout, adapter verdict, dimensioned mating gauge, electrical approval or current installed-device claim.
Populated contacts	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.
Contact rows	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	2 (1-2199230-5)S872Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 1-2199230-5: M-key M.2 board connector. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Connector envelope is distinct from existing22x42/80mm card dimensions; no NVMe/SATA capability guarantee.
Contact pitch	0.8 mm Contact pitch (Recorded example component); 0.8 mm Source-described pitch / centerline (Claim C298A); 0.8 mm Source-described pitch / centerline (Claim C298B); 0.8 mm centerline (1759513-1)S358 · S339 · S339Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. example_component; 52-position Mini PCI Express connector example V50 identification fact only; no wiring, protocol compatibility, installation or fabrication approval is inferred. Numbering/orientation context for the cited connector example only; no Mini PCIe or mSATA signal assignment is normalized. 1759513-1. Documented role: socket. 52position Mini PCI Express board-to-board connector; shared shape does not establishmSATA electrical routing.	0.5 mm manufacturer-reported centerline or mating-interface pitch (1-2199230-5)S872Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 1-2199230-5: M-key M.2 board connector. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Connector envelope is distinct from existing22x42/80mm card dimensions; no NVMe/SATA capability guarantee.
Dimensions / axis	9 mm stack height (1759513-1)S339Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1759513-1. Documented role: socket. 52position Mini PCI Express board-to-board connector; shared shape does not establishmSATA electrical routing.	22 mm Module format width (2242 module format); 42 mm Module format length (2242 module format); 22 mm Module format width (2280 module format); 80 mm Module format length (2280 module format); 21.9 mm connector length (1-2199230-5); 8.7 mm connector width (1-2199230-5); 4.2 mm connector height (1-2199230-5)S426 · S872Separate exact examples; retain each value’s source, role, axis and part scope. Article 000144170 version 12, Figure 1 examples (b)–(d); no tolerance, connector geometry or clearance inferred. Exact named example 1-2199230-5: M-key M.2 board connector. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Connector envelope is distinct from existing22x42/80mm card dimensions; no NVMe/SATA capability guarantee.
Connector role	socket (1759513-1)S339Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1759513-1. Documented role: socket. 52position Mini PCI Express board-to-board connector; shared shape does not establishmSATA electrical routing.	card-edgeS033 · S426 · S427 · S427 · S427 · S429 · S429Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Keyed module card-edge interface family
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	Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.	A-key (TE C-2199230 B4 part table); B-key (TE C-2199230 B4 part table); E-key (TE C-2199230 B4 part table); M-key (TE C-2199230 B4 part table)S594Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V143: the named drawing/revision or exact product page only. Recognition and document-role evidence; not a pinout, adapter verdict, dimensioned mating gauge, electrical approval or current installed-device claim.
Documented identification	TE Connectivity product 1759513-1 is described as a 52-position, 0.8 mm centerline board-to-board connector for Mini PCI Express and mSATA.C298A	Not an equivalent field
mSATA versus M.2	mSATA uses SATA; M.2 may use SATA or PCIe and is not the same physical connector.C298C	Not an equivalent field
Source-scoped role and recognition	A shared housing does not select the interface. The split contact banks belong to a socket shared across distinct assignments.C298D · C298E · C298F	Read the component role before the key name. An offset key interrupts the socket opening.C030J · C030K · C030L
Physical checks	Not an equivalent field	Keying, length, mounting and clearanceC030A
Protocol support	Not an equivalent field	Requires host and module evidenceC030A
Nominal format, not mating dimensions	Not an equivalent field	2242 and 2280 examples label nominal module width and length; check the exact slot and standoff.C030B · C030D
Key, interface and firmware	Not an equivalent field	A matching B/M/B+M key is not a SATA, PCIe, NVMe, lane-count or boot guarantee.C030C · C030E
Exact-host example	Not an equivalent field	PRIME B550-PLUS AC-HES M.2_1 and M.2_2 have documented CPU/slot-dependent modes.C030F · C030G
M.2 protocol mismatch	Not an equivalent field	Host socket and SSD must support the same SATA or PCIe storage transport, beyond physical fit.C030M
Evidence	C298A,C298C,C298D,C298E,C298F,C298B → Independent review pending	C030A,C030B,C030C,C030D,C030E,C030F,C030G,C030H,C030I,C030J,C030K,C030L,C030M → 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

Mini PCI Express / mSATA 52-position socketP298 / Connector: Connector
M.2 card edge interfaceP030 / Connector: Connector

Key distinction

Mini PCI Express / mSATA 52-position socketP298 / Connector: The shared 52-position socket family does not make Mini PCIe and mSATA electrically interchangeable; host implementation still controls supported signals.
M.2 card edge interfaceP030 / Connector: M.2 is a form-factor family; NVMe describes a different layer.

Nominal contacts

Mini PCI Express / mSATA 52-position socketP298 / Connector: 52S339Source-backed nominal position/contact count for identification: 52. Not a pinout or manufacturing drawing.
M.2 card edge interfaceP030 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Positions / cavity span

Mini PCI Express / mSATA 52-position socketP298 / Connector: 52 (Claim C298A); 52 (Claim C298B)S339 · S358Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V50 identification fact only; no wiring, protocol compatibility, installation or fabrication approval is inferred. Numbering/orientation context for the cited connector example only; no Mini PCIe or mSATA signal assignment is normalized.
M.2 card edge interfaceP030 / Connector: 67 (TE C-2199230 representative M-key socket)S594Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V143: the named drawing/revision or exact product page only. Recognition and document-role evidence; not a pinout, adapter verdict, dimensioned mating gauge, electrical approval or current installed-device claim.

Populated contacts

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
M.2 card edge interfaceP030 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Contact rows

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
M.2 card edge interfaceP030 / Connector: 2 (1-2199230-5)S872Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 1-2199230-5: M-key M.2 board connector. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Connector envelope is distinct from existing22x42/80mm card dimensions; no NVMe/SATA capability guarantee.

Contact pitch

Mini PCI Express / mSATA 52-position socketP298 / Connector: 0.8 mm Contact pitch (Recorded example component); 0.8 mm Source-described pitch / centerline (Claim C298A); 0.8 mm Source-described pitch / centerline (Claim C298B); 0.8 mm centerline (1759513-1)S358 · S339 · S339Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. example_component; 52-position Mini PCI Express connector example V50 identification fact only; no wiring, protocol compatibility, installation or fabrication approval is inferred. Numbering/orientation context for the cited connector example only; no Mini PCIe or mSATA signal assignment is normalized. 1759513-1. Documented role: socket. 52position Mini PCI Express board-to-board connector; shared shape does not establishmSATA electrical routing.
M.2 card edge interfaceP030 / Connector: 0.5 mm manufacturer-reported centerline or mating-interface pitch (1-2199230-5)S872Separate exact examples; retain each value’s source, role, axis and part scope. Exact named example 1-2199230-5: M-key M.2 board connector. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Connector envelope is distinct from existing22x42/80mm card dimensions; no NVMe/SATA capability guarantee.

Dimensions / axis

Mini PCI Express / mSATA 52-position socketP298 / Connector: 9 mm stack height (1759513-1)S339Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1759513-1. Documented role: socket. 52position Mini PCI Express board-to-board connector; shared shape does not establishmSATA electrical routing.
M.2 card edge interfaceP030 / Connector: 22 mm Module format width (2242 module format); 42 mm Module format length (2242 module format); 22 mm Module format width (2280 module format); 80 mm Module format length (2280 module format); 21.9 mm connector length (1-2199230-5); 8.7 mm connector width (1-2199230-5); 4.2 mm connector height (1-2199230-5)S426 · S872Separate exact examples; retain each value’s source, role, axis and part scope. Article 000144170 version 12, Figure 1 examples (b)–(d); no tolerance, connector geometry or clearance inferred. Exact named example 1-2199230-5: M-key M.2 board connector. Exact example only; no universal geometry, electrical compatibility, fabrication approval or wiring instruction. Connector envelope is distinct from existing22x42/80mm card dimensions; no NVMe/SATA capability guarantee.

Connector role

Mini PCI Express / mSATA 52-position socketP298 / Connector: socket (1759513-1)S339Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1759513-1. Documented role: socket. 52position Mini PCI Express board-to-board connector; shared shape does not establishmSATA electrical routing.
M.2 card edge interfaceP030 / Connector: card-edgeS033 · S426 · S427 · S427 · S427 · S429 · S429Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. Keyed module card-edge interface family

Coupling / latch

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
M.2 card edge interfaceP030 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Keying / polarization

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
M.2 card edge interfaceP030 / Connector: A-key (TE C-2199230 B4 part table); B-key (TE C-2199230 B4 part table); E-key (TE C-2199230 B4 part table); M-key (TE C-2199230 B4 part table)S594Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V143: the named drawing/revision or exact product page only. Recognition and document-role evidence; not a pinout, adapter verdict, dimensioned mating gauge, electrical approval or current installed-device claim.

Documented identification

Mini PCI Express / mSATA 52-position socketP298 / Connector: TE Connectivity product 1759513-1 is described as a 52-position, 0.8 mm centerline board-to-board connector for Mini PCI Express and mSATA.C298A
M.2 card edge interfaceP030 / Connector: Not an equivalent field

mSATA versus M.2

Mini PCI Express / mSATA 52-position socketP298 / Connector: mSATA uses SATA; M.2 may use SATA or PCIe and is not the same physical connector.C298C
M.2 card edge interfaceP030 / Connector: Not an equivalent field

Source-scoped role and recognition

Mini PCI Express / mSATA 52-position socketP298 / Connector: A shared housing does not select the interface. The split contact banks belong to a socket shared across distinct assignments.C298D · C298E · C298F
M.2 card edge interfaceP030 / Connector: Read the component role before the key name. An offset key interrupts the socket opening.C030J · C030K · C030L

Physical checks

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not an equivalent field
M.2 card edge interfaceP030 / Connector: Keying, length, mounting and clearanceC030A

Protocol support

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not an equivalent field
M.2 card edge interfaceP030 / Connector: Requires host and module evidenceC030A

Nominal format, not mating dimensions

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not an equivalent field
M.2 card edge interfaceP030 / Connector: 2242 and 2280 examples label nominal module width and length; check the exact slot and standoff.C030B · C030D

Key, interface and firmware

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not an equivalent field
M.2 card edge interfaceP030 / Connector: A matching B/M/B+M key is not a SATA, PCIe, NVMe, lane-count or boot guarantee.C030C · C030E

Exact-host example

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not an equivalent field
M.2 card edge interfaceP030 / Connector: PRIME B550-PLUS AC-HES M.2_1 and M.2_2 have documented CPU/slot-dependent modes.C030F · C030G

M.2 protocol mismatch

Mini PCI Express / mSATA 52-position socketP298 / Connector: Not an equivalent field
M.2 card edge interfaceP030 / Connector: Host socket and SSD must support the same SATA or PCIe storage transport, beyond physical fit.C030M

Evidence

Mini PCI Express / mSATA 52-position socketP298 / Connector: C298A,C298C,C298D,C298E,C298F,C298B →
Independent review pending
M.2 card edge interfaceP030 / Connector: C030A,C030B,C030C,C030D,C030E,C030F,C030G,C030H,C030I,C030J,C030K,C030L,C030M →
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 →

M.2 card edge vs PCIe x4 add-in-card edgeSeparate an M.2 module from a PCIe expansion-card edge. A named adapter can connect particular endpoints, but the physical shape does not establish drive protocol, host lanes or boot support.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.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.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.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.

9 linked sources · 19 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 2026-12-30. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 9 source scopes, access limits and dates

S033 · SSD FAQ

Kingston · Manufacturer / product-owner domain · inspected 2026-10-01 · due 2026-12-30

Within inspection window

Scoped support: M.2 physical fit does not establish SATA / PCIe / NVMe support.

Not established / limitations: Historical throughput examples and broad product marketing are not used.

Locator: M.2 physical sizes, B/M keys, host compatibility and hot-plug questions

S339 · TE 1759513-1 Mini PCI Express & mSATA connector

TE Connectivity · Manufacturer / product-owner domain · inspected 2026-10-06 · due 2027-01-04

Within inspection window

Scoped support: Product-specific recognition reference for the shared 52-position Mini PCI Express/mSATA connector family; no host protocol support is inferred.

Not established / limitations: Source-backed identification does not establish universal wiring, protocol generation, device compatibility, safe installation or fabrication approval.

Locator: Product summary and features: bus type, number of positions and centerline

S358 · Molex 67910-5700 Mini PCI Express 52-circuit connector sales drawing

Molex · Manufacturer / product-owner domain · inspected 2026-10-06 · due 2027-01-04

Within inspection window

Scoped support: Manufacturer-example numbering/orientation and pitch context for a 52-position Mini PCI Express connector; no logical signal assignment is normalized.

Not established / limitations: Product drawing is an example component, not a universal mSATA/Mini PCIe signal map or fabrication approval for another connector.

Locator: Sales drawing: 0.8 mm pitch, 52 circuits and odd/even card-side numbering reference

S426 · Differences Between M.2 Cards: M.2 Slots, Keys, Sizes and Types

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

Within inspection window

Scoped support: Nominal module-format examples 2242 and 2280; not connector mating dimensions.

Not established / limitations: The general key/capability table is not adopted as a universal host rule. No Dell artwork, measured geometry, tolerance, contact assignment or exact-host approval is supplied.

Locator: Article 000144170, version 12; last modified 30 September 2026. M.2 Cards section, Figure 1 examples (b), (c) and (d).

S427 · What is M.2? Keys and Sockets Explained

ATP Electronics · Unclassified publisher domain · inspected 2026-10-08 · due 2027-01-06

Within inspection window

Scoped support: Separating mechanical key/format, wired interface, lane implementation, clearance and firmware requirements.

Not established / limitations: Manufacturer explanatory guide, not an inspected PCI-SIG M.2 standard. Numeric notch/contact positions, marketing throughput, capacity and universal key-to-protocol rules are not adopted. No third-party illustrations are copied.

Locator: Published 22 June 2026; sections on keying versus wiring, compatibility checklist, mechanical clearance and firmware. No numbered revision stated.

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.

S491 · SM2NGFFMBU33 SATA M.2 enclosure datasheet

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

Within inspection window

Scoped support: SATA B/B+M M.2 support and explicit NVMe/AHCI PCIe exclusion. Conflicting module-length lists are not normalized into a claim.

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

Locator: PDF pages 2–3: Features, Compatible Drive Types and General Specifications. Visually inspected.

S594 · TE C-2199230 M.2 socket customer drawing, revision B4

TE Connectivity · Manufacturer / product-owner domain · inspected 2026-10-13 · due 2027-01-11

Within inspection window

Scoped support: M.2 socket family; source-observed M-key representative and key/part variants.

Not established / limitations: PDF metadata says B3, but inspected drawing title blocks say B4; drawing content governs this observation. No claim this is the latest released revision.

Locator: Sheets 1–3 of 4 visually inspected. Sheet 1 revision B4 dated 05 NOV 2024; sheet 2 shows 1-2199230-5 and the key/part table; sheet 3 is a PCB footprint, not a mating view.

S595 · TE C-1759513 Mini PCIe/mSATA socket customer drawing, revision E2

TE Connectivity · Manufacturer / product-owner domain · inspected 2026-10-13 · due 2027-01-11

Within inspection window

Scoped support: 52-position socket; board-socket role, split contact banks, separate interface assignments and mounting context.

Not established / limitations: Historical E2 drawing, not current-device certification. Signal assignments, dimensions and keepout templates are not reproduced.

Locator: Sheets 1–2 of 5 visually inspected. Sheet 1 revision E2, 05 JUN 2017: socket views and separate interface-assignment tables. Sheet 2: half/full-size card mounting keepouts.

Trace 19 claims to their source records

C030A · P030

M.2 physical fit and keying do not establish whether a host supports a particular SATA, PCIe or NVMe device.

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

Source links: S033 · Evidence trail → (private workspace)

C030B · P030

Dell’s version-12 article illustrates 2242 as a nominal 22 × 42 mm module and 2280 as a nominal 22 × 80 mm module. These are module-format examples, not socket mating dimensions.

Claim scope: Article 000144170 version 12, Figure 1 examples (b)–(d); no tolerance, connector geometry or clearance inferred.

Source links: S426 · Evidence trail → (private workspace)

C030C · P030

ATP distinguishes M.2 keying from the interface actually wired to a socket: a mechanically matching key alone does not establish SATA or PCIe support.

Claim scope: Manufacturer compatibility checklist; no universal B, M or B+M key-to-protocol mapping or numeric contact positions.

Source links: S427 · Evidence trail → (private workspace)

C030D · P030

ATP calls for checking module length, mounting position and vertical/component clearance, including single- versus double-sided construction, separately from keying.

Claim scope: Physical fit checklist only; no invented height, tolerance, heat-spreader or fabrication dimensions.

Source links: S427 · Evidence trail → (private workspace)

C030E · P030

ATP separates firmware support for NVMe boot from mechanical fit and advises against treating ordinary M.2 installation as hot-plugging. Follow the exact equipment’s power-off and service instructions.

Claim scope: No claim that every NVMe-capable host can boot every drive; external USB removal is a different operation.

Source links: S427 · Evidence trail → (private workspace)

C030F · P030

The ASUS PRIME B550-PLUS AC-HES manual lists M.2_1 with SATA and PCIe x4 modes: PCIe 4.0 for the named Ryzen 5000/3000 desktop families, and PCIe 3.0 for the named 5000 G-Series/4000 G-Series families.

Claim scope: E18712 First Edition, printed vii. Only the manual’s named processor families and M.2_1 slot; actual CPU and firmware still require verification.

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

C030G · P030

On the same AC-HES board, the chipset-connected M.2_2 is specified for PCIe 3.0 x4 and SATA; both M.2 slot entries list 2242, 2260, 2280 and 22110 modules.

Claim scope: E18712 printed vii, exact board and slot labels; supported nominal lengths do not establish component clearance or boot qualification.

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

C030H · P030

StarTech SM2NGFFMBU33 explicitly excludes M.2 NVMe and AHCI PCI-Express SSDs.

Claim scope: Named SATA-only USB enclosure; the M.2 label or an apparently matching key cannot override this exclusion.

Source links: S491 · Evidence trail → (private workspace)

C030I · P030

The SM2NGFFMBU33 sheet lists SATA B-key and SATA B+M-key M.2 drive types.

Claim scope: Named enclosure drive-type list only. Its inconsistent module-length lists are held open, not treated as confirmed 2230 support.

Source links: S491 · Evidence trail → (private workspace)

C030J · P030

In TE drawing C-2199230 revision B4, the representative shown as 1-2199230-5 is an M-key board socket; the card edge is its counterpart, not the illustrated component.

Claim scope: V143: the named drawing/revision or exact product page only. Recognition and document-role evidence; not a pinout, adapter verdict, dimensioned mating gauge, electrical approval or current installed-device claim.

Source links: S594 · Evidence trail → (private workspace)

C030K · P030

The C-2199230 part table separates A, B, E and M key variants, and the M-key block includes several part suffixes rather than one universal socket.

Source links: S594 · Evidence trail → (private workspace)

C030L · P030

The C-2199230 drawing specifies 67 contact positions with a key interruption; its two solder-tail rows have different counts, so a single visible row is not the total contact inventory.

Source links: S594 · Evidence trail → (private workspace)

C030M · P030

Kingston states that a PCIe M.2 SSD in a SATA-only host socket—or a SATA M.2 SSD in a PCIe-only socket—does not gain the missing protocol merely from physical fit. Consult the system manual for the exact slot interface and any shared-lane restrictions.

Claim scope: Storage SSD interface only; not a claim about every M.2 socket or PCIe adapter

Source links: S033 · Evidence trail → (private workspace)

C298A · P298

TE Connectivity product 1759513-1 is described as a 52-position, 0.8 mm centerline board-to-board connector for Mini PCI Express and mSATA.

Claim scope: V50 identification fact only; no wiring, protocol compatibility, installation or fabrication approval is inferred.

Source links: S339 · Evidence trail → (private workspace)

C298B · P298

Molex’s cited Mini PCI Express connector drawing identifies 52 circuits at 0.8 mm pitch and shows odd-numbered positions on one card side and even-numbered positions on the other.

Claim scope: Numbering/orientation context for the cited connector example only; no Mini PCIe or mSATA signal assignment is normalized.

Source links: S358 · Evidence trail → (private workspace)

C298C · P298

Kingston distinguishes M.2 from mSATA: mSATA uses SATA, while M.2 includes SATA and PCIe options and does not use the same physical connector. A shared Mini PCIe/mSATA socket outline still does not establish the host’s wired interface.

Claim scope: Kingston SSD FAQ reinspection on 8 October 2026 plus the existing TE 52-position socket example; inherited source dates unchanged. Not a universal Mini PCIe/mSATA host compatibility result.

Source links: S033 · S339 · Evidence trail → (private workspace)

C298D · P298

TE drawing C-1759513 revision E2 supplies separate Mini PCI Express and mSATA signal-assignment tables for the socket family; one housing does not imply one interface assignment.

Source links: S595 · Evidence trail → (private workspace)

C298E · P298

The socket views in C-1759513 show two contact rows interrupted by an offset key, with short and long contact banks; the study is of the board socket, not a miniature M.2 module.

Source links: S595 · Evidence trail → (private workspace)

C298F · P298

C-1759513 sheet 2 separates half-size and full-size card mounting keepouts, so the socket alone does not describe the complete module-retention arrangement.

Source links: S595 · 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.