Structured Manufacturing Data (2026)

Motherboard/Backplane

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Motherboard/Backplane 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 Motherboard/Backplane is characterized by the integration of CPU Socket and Memory Slots. In industrial production environments, manufacturers listed on CNFX commonly emphasize FR-4 fiberglass epoxy laminate construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A printed circuit board that serves as the main structural and electrical backbone in network infrastructure equipment, providing connectivity between various electronic components and expansion cards.

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Product Specifications

Technical details and manufacturing context for Motherboard/Backplane

Definition
In network infrastructure equipment, the motherboard/backplane is the central printed circuit board that houses the CPU, memory, and other critical components while providing multiple expansion slots and connectors for network interface cards, storage controllers, and other modules. It establishes the primary data pathways and power distribution system within routers, switches, servers, and other networking hardware, ensuring reliable communication between all installed components.
Working Principle
The motherboard/backplane functions as the central nervous system of network equipment. It contains embedded copper traces that form electrical pathways (buses) for data transmission between the CPU, memory, and expansion slots. The backplane portion typically provides a passive interconnection system with standardized slots and connectors, while the motherboard section includes active components like chipsets that manage data flow. It distributes power from the PSU to all connected components and facilitates communication through various protocols (PCIe, SATA, USB, etc.).
Common Materials
FR-4 fiberglass epoxy laminate, Copper foil, Solder mask, Gold-plated connectors
Technical Parameters
  • Form factor dimensions (e.g., ATX: 305×244mm, EATX: 305×330mm) (mm) Customizable
Components / BOM
  • CPU Socket Part
    Physical and electrical interface for the central processing unit
    Material: LGA/PGA socket with gold-plated contacts
  • Memory Slots Part
    Hold and connect RAM modules to the memory controller
    Material: Plastic housing with gold-plated contacts
  • PCIe Slots Part
    Provide high-speed expansion interfaces for network cards and other peripherals
    Material: Plastic slot with gold-plated edge connectors
  • Chipset
    Manages data flow between CPU, memory, and peripherals
    Material: Silicon semiconductor with BGA packaging
  • Power Connectors
    Deliver electrical power from PSU to motherboard components
    Material: Plastic housing with gold-plated pins
  • Network Controller
    Integrated circuitry for Ethernet connectivity
    Material: Silicon chip with QFN packaging

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Motherboard/Backplane.

Mainboard System Board Planar Board industrial network equipment motherboard backplane for electronic manufacturing FR-4 fiberglass motherboard specifications network infrastructure expansion card connectivity server-grade motherboard with PCIe slots

Applied To / Applications

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

Network Infrastructure Equipment
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (non-pressure application)
other spec: Humidity: 10% to 90% non-condensing, Vibration: 5-500 Hz at 0.5G, Shock: 50G for 11ms
temperature: 0°C to 70°C (operational), -40°C to 85°C (storage)
Media Compatibility
✓ Data center environments ✓ Telecom equipment racks ✓ Industrial control systems
Unsuitable: High-vibration mobile platforms (e.g., vehicles, aircraft)
Sizing Data Required
  • Required number of expansion slots (PCIe, etc.)
  • Form factor constraints (ATX, EATX, etc.)
  • Power delivery requirements (CPU/GPU power phases)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress cracking
Cause: Repeated heating/cooling cycles causing solder joint fatigue and PCB delamination due to inadequate cooling or high ambient temperatures
Electrochemical migration
Cause: Conductive filament formation between traces due to moisture ingress, ionic contamination, or insufficient conformal coating leading to short circuits
Maintenance Indicators
  • Visible bulging or leaking capacitors (domed tops, electrolyte residue)
  • Intermittent system crashes or data corruption during thermal cycling or vibration
Engineering Tips
  • Implement active thermal management with temperature monitoring and controlled airflow to maintain operating temperatures below 60°C
  • Apply IPC-compliant conformal coating and maintain humidity below 60% RH to prevent moisture-related degradation and corrosion

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems CE Marking (EU Directive 2014/35/EU for Low Voltage Equipment) IPC-A-610 Acceptability of Electronic Assemblies
Manufacturing Precision
  • PCB Hole Positional Tolerance: +/-0.1mm
  • Component Placement Accuracy: +/-0.05mm
Quality Inspection
  • Automated Optical Inspection (AOI) for Solder Joints
  • In-Circuit Test (ICT) for Electrical Continuity

Factories Producing Motherboard/Backplane

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 materials are used in this motherboard/backplane construction?

This motherboard/backplane is constructed using FR-4 fiberglass epoxy laminate for durability, copper foil for electrical conductivity, solder mask for protection, and gold-plated connectors for reliable connectivity in network infrastructure applications.

What expansion capabilities does this motherboard/backplane provide?

It features multiple PCIe slots, memory slots, and a CPU socket to support various expansion cards and components, making it ideal for scalable network infrastructure equipment in computer and electronic manufacturing.

How does this motherboard/backplane enhance network infrastructure reliability?

With its robust FR-4 construction, integrated network controller, and gold-plated connectors, it ensures stable electrical connections and long-term performance in demanding electronic and optical product manufacturing environments.

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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