The useful distinction
Does “Mini-SAS HD” identify the whole cable?
No. Internal board components and external cable assemblies have different roles. Read the full SFF designation at both ends, then check the documented system path. C238C · C239A · C239C
| Check | Documented distinction | What this does not establish |
|---|---|---|
| Internal board example | G40H3132212HR is described as vertical SMT 1x1, with a cap and anti-reverse wall. C238C | The manufacturer image is not guaranteed to show the exact part. No footprint or keyed-face approval follows. |
| External interface | SFF-8644 is the external Mini-SAS HD family in the cited manufacturer material. C239A · C238A | A shared HD label does not make this an internal SFF-8643 connector. |
| Mixed external ends | The manufacturer separately lists an SFF-8088-to-SFF-8644 hybrid assembly. C239C | A listed family combination is not proof that a particular controller, enclosure or protocol works. |
Before choosing the cable or component
- Read each port designation rather than using Mini-SAS HD as the whole specification.
- Distinguish a board receptacle, a cable assembly and an enclosure/backplane connection.
- Obtain the exact assembly and endpoint documentation; do not infer NVMe or SAS support from the shell.
Original source statements and citation return points
SFF-8644 is the external Mini-SAS HD interface identified in Amphenol documentation. [C239A]
Amphenol lists an external SFF-8088-to-SFF-8644 hybrid Mini-SAS cable assembly separately from its same-family external assemblies. [C239C]
Exact exampleTE2149027-1 is the1x1 receptacle assembly in the brochure p.6 external Mini-SAS HD family;1x1 describes ports. That external section specifies an LCP receptacle housing, nickel-silver shield, copper-alloy contacts and a preassembled one-piece PCB interconnect. It describes a cable latch and EMI skirt and publishes250-cycle durability for this external connector family. Internal SFF-8643 properties are excluded; this is source documentation, not hardware certification. [C239X]
Source scope · 14 October 2026. Two existing Amphenol pages re-observed. New role/configuration claims are separate from inherited source dates; the exact-image disclaimer remains.
Source-qualified reference, not a pinout, compatibility verdict or installation approval. New claims have separate dates; inherited claim dates and review status remain unchanged. No independent technical or rights approval is implied.
Mini-SAS HD internal SFF-8643 connector · Mini-SAS external SFF-8088 connector · Mini-SAS internal SFF-8087 connector
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.
| Nominal contacts | 36S259Mini-SAS HD SFF-8644 external interface; nominal engineering count, not automatically positions, population or a device wiring map. Mini-SAS HD SFF-8644 external interface |
|---|---|
| Connector role | socket (2149027-1)S937Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 2149027-1. Documented role: socket. The1x1/1x2/1x4 values mean portmatrix,notcontactrows.; SeparateTE2149027-1pagewasread:publishedpitch.03mm[.75in]hasgrossunitconflict;bothwithhelduntildrawingcomparison.; Amphenol11mm/19.01mmport-to-port density is not contactpitch. No external8644pitch borrowed from internal8643section. |
| Manufacturer | TE Connectivity (2149027-1)S937Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 2149027-1. Documented role: socket. The1x1/1x2/1x4 values mean portmatrix,notcontactrows.; SeparateTE2149027-1pagewasread:publishedpitch.03mm[.75in]hasgrossunitconflict;bothwithhelduntildrawingcomparison.; Amphenol11mm/19.01mmport-to-port density is not contactpitch. No external8644pitch borrowed from internal8643section. |
| Series | External Mini-SAS HD (2149027-1)S937Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 2149027-1. Documented role: socket. The1x1/1x2/1x4 values mean portmatrix,notcontactrows.; SeparateTE2149027-1pagewasread:publishedpitch.03mm[.75in]hasgrossunitconflict;bothwithhelduntildrawingcomparison.; Amphenol11mm/19.01mmport-to-port density is not contactpitch. No external8644pitch borrowed from internal8643section. |
| Exact part / implementation | 2149027-1 (2149027-1)S937Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 2149027-1. Documented role: socket. The1x1/1x2/1x4 values mean portmatrix,notcontactrows.; SeparateTE2149027-1pagewasread:publishedpitch.03mm[.75in]hasgrossunitconflict;bothwithhelduntildrawingcomparison.; Amphenol11mm/19.01mmport-to-port density is not contactpitch. No external8644pitch borrowed from internal8643section. |
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
- Position/contact count and any example-component pitch do not establish a universal pinout, cable construction or protocol capability.
- No fabrication dimensions or face-view pin locator is published unless explicitly stated.
Bounded facts, visible unknowns
Specifications and limits
| Documented identification | External Mini-SAS HD SFF-8644 connector family. [C239A] |
|---|---|
| Mechanical dimensions | No independently reviewed mechanical drawing in V39; do not use this page for fabrication, fit testing or tolerance work. |
| Engineering pinout | Source-checked engineering profile available; independent review pending. Open engineering profile → |
| Verified device list | Not included. Check exact device and accessory documentation. |
Use the source-backed form or position count only for identification. Resolve ratings, protocol, direction, wiring, cable construction and exact device support from the relevant equipment and component documentation.
Before you connect
What to check
- Identify the exact connector family and variant from the equipment or cable documentation.
- Keep shape, contact count, protocol, electrical rating and device support as separate facts.
- Do not force, rewire or adapt a connector from this recognition record; resolve the remaining requirements first.
What is not established
This field note does not approve a connection, adapter, cable assembly, rewiring scheme or fabricated part. It intentionally omits unsupported pin assignments and mechanical tolerances.
Your next step
Move from the form to the requirement.
The source trail
Evidence for this page
AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.
Amphenol identifies SFF-8644 as the external Mini-SAS HD interface family.
Amphenol Communications Solutions · Mini-SAS HD cable assemblies ↗S241: full source recordInspect review dependencies → (private workspace)Amphenol lists an external SFF-8088-to-SFF-8644 hybrid Mini-SAS cable assembly separately from its same-family external assemblies.
Amphenol Communications Solutions · Mini-SAS HD cable assemblies ↗S241: full source recordInspect review dependencies → (private workspace)Exact exampleTE2149027-1 is the1x1 receptacle assembly in the brochure p.6 external Mini-SAS HD family;1x1 describes ports. That external section specifies an LCP receptacle housing, nickel-silver shield, copper-alloy contacts and a preassembled one-piece PCB interconnect. It describes a cable latch and EMI skirt and publishes250-cycle durability for this external connector family. Internal SFF-8643 properties are excluded; this is source documentation, not hardware certification.
TE Connectivity · Mini-SAS HD connectors and cable assemblies brochure ↗S937: full source recordInspect review dependencies → (private workspace)