Structured Manufacturing Data (2026)

Network Interface Controller

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Network Interface Controller used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Network Interface Controller is characterized by the integration of MAC Controller and PHY (Physical Layer) Chip. In industrial production environments, manufacturers listed on CNFX commonly emphasize Silicon (for integrated circuits) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A hardware component that manages network connectivity and data transmission between a multi-core processor and external networks.

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Product Specifications

Technical details and manufacturing context for Network Interface Controller

Definition
Within a Multi-Core Analysis Processor, the Network Interface Controller (NIC) serves as the dedicated hardware interface responsible for establishing, maintaining, and controlling the physical and data link layer connections to a computer network. It handles the reception and transmission of data packets, offloading network processing tasks from the main processor cores to enable efficient parallel data analysis and high-speed communication with other systems, storage, or data sources.
Working Principle
The NIC operates by converting data from the processor's internal bus into electrical signals suitable for transmission over a network medium (e.g., Ethernet cable, fiber). It implements protocols like Ethernet, managing frame construction, error checking via CRC, and media access control (MAC). It typically includes a dedicated processor, memory buffers, and a PHY (physical layer) chip to handle signal modulation and physical connection.
Common Materials
Silicon (for integrated circuits), Copper (for traces and connectors), Plastic (for housing/connectors)
Technical Parameters
  • Maximum data transfer rate (e.g., 1 Gbps, 10 Gbps, 25 Gbps) (Gbps) Customizable
Components / BOM
  • MAC Controller
    Manages data link layer protocols, frame assembly/disassembly, and error checking.
    Material: Silicon (integrated circuit)
  • PHY (Physical Layer) Chip
    Handles analog signal modulation/demodulation and physical medium attachment.
    Material: Silicon (integrated circuit)
  • Buffer Memory Part
    Temporarily stores incoming and outgoing data packets to manage speed differences.
    Material: Silicon (SRAM/DRAM)
  • Bus Interface Controller
    Manages communication with the processor via the internal bus (e.g., PCIe).
    Material: Silicon (integrated circuit)
  • Connector (e.g., RJ45 Port) Part
    Provides physical connection point for network cables.
    Material: Copper alloy, plastic

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Network Interface Controller.

multi-core processor network interface controller industrial NIC for optical product manufacturing MAC controller PHY chip network hardware RJ45 port bus interface controller component silicon copper plastic network connectivity hardware

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Multi-Core Analysis Processor
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Management Module
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Metadata Server
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Baseboard Management Controller (BMC)
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Edge AI Gateway
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Single Board Computer
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (solid-state component)
other spec: Data Rate: 1 Gbps to 100 Gbps, Power Consumption: 1W to 15W
temperature: 0°C to 70°C (operational), -40°C to 85°C (storage)
Media Compatibility
✓ Ethernet networks (copper/fiber) ✓ Data center server environments ✓ Industrial automation systems
Unsuitable: High-voltage electrical environments with EMI interference
Sizing Data Required
  • Network bandwidth requirements (Gbps)
  • Processor interface type (PCIe version/lanes)
  • Operating system/driver compatibility

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Overheating and thermal degradation
Cause: Inadequate cooling due to dust accumulation, poor airflow in server/rack, or excessive ambient temperature leading to solder joint fatigue, capacitor failure, or chip damage.
Electrical overstress (EOS) and electrostatic discharge (ESD)
Cause: Power surges, improper grounding, or human handling without ESD protection damaging sensitive semiconductor components, particularly during installation or maintenance.
Maintenance Indicators
  • Intermittent or complete loss of network connectivity despite functional cables and switches
  • Abnormal heat emission from the NIC or adjacent components, often detectable by touch or thermal imaging
Engineering Tips
  • Implement regular cleaning of server/rack cooling systems and maintain ambient temperature below manufacturer specifications (typically 35°C) to prevent thermal stress.
  • Use ESD-safe procedures during handling/installation and ensure proper power conditioning/UPS protection to guard against electrical transients.

Compliance & Manufacturing Standards

Reference Standards
ISO/IEC 11801: Information technology - Generic cabling for customer premises ANSI/TIA-568.2-D: Balanced Twisted-Pair Telecommunications Cabling and Components Standards CE Marking: Compliance with EU EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU
Manufacturing Precision
  • Connector Pin Alignment: +/-0.05mm
  • PCB Trace Impedance: +/-10% of nominal value (typically 50Ω or 100Ω)
Quality Inspection
  • Bit Error Rate Test (BERT) for signal integrity validation
  • Electromagnetic Compatibility (EMC) Testing for emissions and immunity

Factories Producing Network Interface Controller

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a Network Interface Controller in computer manufacturing?

The Network Interface Controller manages network connectivity and data transmission between multi-core processors and external networks, handling physical layer communication through its PHY chip and MAC controller components.

What materials are used in manufacturing Network Interface Controllers?

Network Interface Controllers are constructed using silicon for integrated circuits, copper for traces and connectors, and plastic for housing and connector components like RJ45 ports.

What are the key components in a Network Interface Controller BOM?

Essential components include buffer memory, bus interface controller, RJ45 port connector, MAC controller, and PHY (Physical Layer) chip for managing physical network communication.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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