SATA Ports: Cable Length Up to 1 meter

Component Specifications

Definition

SATA (Serial Advanced Technology Attachment) ports are physical interface connectors integrated into computer motherboards that facilitate high-speed serial data transfer between the motherboard and storage devices. These ports implement the SATA protocol, which replaced older Parallel ATA (PATA) interfaces, offering improved data integrity, reduced cable size, and native hot-swapping capabilities. SATA ports typically operate at speeds ranging from 1.5 Gb/s (SATA I) to 6 Gb/s (SATA III), with the latest SATA revision 3.5 supporting up to 16 Gb/s in specific applications. The interface uses a 7-pin data connector and a separate 15-pin power connector, though some implementations combine both functions.

Working Principle

SATA ports operate on a point-to-point serial communication protocol where data is transmitted as a serial stream of bits. The interface uses differential signaling (LVDS - Low Voltage Differential Signaling) to reduce electromagnetic interference and improve signal integrity. Data transmission follows the SATA protocol stack, which includes physical, link, transport, and application layers. The physical layer handles electrical signaling and clock recovery, while the link layer manages frame construction, flow control, and error detection through CRC (Cyclic Redundancy Check). The transport layer converts data between the host system and storage device formats, and the application layer interfaces with the operating system's storage drivers. Communication is full-duplex, allowing simultaneous data transmission in both directions.

Materials

Connector housing: High-temperature thermoplastic (typically LCP - Liquid Crystal Polymer or PBT - Polybutylene Terephthalate) rated for 260°C reflow soldering. Contacts: Phosphor bronze or beryllium copper with gold plating (0.5-1.27μm thickness) over nickel underplating for corrosion resistance and low contact resistance. PCB mounting: Lead-free solder (SAC305 - Sn96.5Ag3.0Cu0.5) compliant with RoHS directives. Shielding: Optional stainless steel or nickel-plated brass EMI shield.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Voltage	3.3V, 5V, 12V (power connector)
Protocol	AHCI (Advanced Host Controller Interface)
Cable Length	Up to 1 meter
Connector Pins	7-pin data + 15-pin power (separate)
Interface Type	Serial ATA
Hot Plug Support	Yes
Power Consumption	Active: 4.5W typical, Idle: 0.5W typical
Data Transfer Rate	Up to 6 Gb/s (SATA III)
Native Command Queuing	Yes (up to 32 commands)

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO/IEC 14776-113, SATA-IO Specifications, JEDEC MO-300

Parent Products

This component is used in the following industrial products

Motherboards

The main printed circuit board (PCB) in a computer that connects and allows communication between all hardware components.

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Engineering Analysis

Risks & Mitigation

Electrostatic discharge damage during handling
Bent or damaged pins from improper insertion
Signal degradation from excessive cable length
Incompatibility with older PATA devices
Overheating from poor ventilation around connectors

FMEA Triads

Trigger: Mechanical stress during cable insertion/removal
Failure: Bent or broken connector pins
Mitigation: Implement strain relief in cable design, use reinforced connector housings, provide proper insertion guides

Trigger: Electrostatic discharge during handling
Failure: Damage to interface controller IC
Mitigation: Implement ESD protection circuits on motherboard, use anti-static packaging, provide proper grounding during assembly

Trigger: Poor solder joints during reflow process
Failure: Intermittent connection or complete failure
Mitigation: Implement automated optical inspection (AOI), use lead-free solder with proper thermal profile, conduct pull testing on sample units

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Pin position tolerance: ±0.15mm, Contact resistance: <20mΩ, Insulation resistance: >100MΩ, Withstands 50 mating cycles minimum

Test Method

Electrical testing: Continuity and isolation tests per IPC-A-610. Mechanical testing: Insertion/extraction force measurement per EIA-364-13. Environmental testing: Thermal cycling (-40°C to +85°C) and humidity testing per IEC 60068-2-78.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of SATA Ports

Manufacturer profiles associated with SATA Ports.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between SATA II and SATA III ports?

SATA II ports support up to 3 Gb/s transfer speeds, while SATA III ports support up to 6 Gb/s. SATA III also includes improved Native Command Queuing, better power management features, and is backward compatible with SATA II devices.

Can I connect multiple drives to a single SATA port?

No, SATA is a point-to-point interface. Each SATA port connects to a single storage device. For multiple drives, you need either multiple SATA ports or a SATA port multiplier (which requires specific controller support).

Are SATA ports being replaced by newer interfaces?

While NVMe (PCIe-based) interfaces are becoming dominant for high-performance storage, SATA remains widely used for cost-effective storage solutions, especially in consumer devices and enterprise storage arrays where maximum speed isn't critical.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

SATA Ports