Zyqora Zyqora

SFP Cage 1xN (Ganged Ports) Manufacturer & Factory

High-Density, EMI-Shielded Interconnect Solutions for Next-Gen Telecom & Enterprise Architectures

Understanding SFP Cage 1xN (Ganged Ports) Architecture

In high-speed communication systems, the 1xN ganged SFP cage acts as a vital mechanical and electromagnetic interface. Unlike individual, standalone SFP ports, a ganged port system groups multiple SFP/SFP+ slots horizontally into a single, cohesive metal housing. This design maximizes PCB space efficiency and strengthens the physical structure of the system.

At Zyqora, we manufacture ganged cages (ranging from 1x2, 1x4, and 1x6 to 1x8 layouts) to support data transfer rates from 10 Gbps (SFP+) up to 28 Gbps (SFP28) per port. Using advanced copper alloys, integrated EMI spring fingers, and precision press-fit (compliant pin) technologies, our cages provide structural integrity and shield high-frequency signals from electromagnetic interference.

Key Advantages of Ganged Port Configurations

  • Optimized Board Space: Sharing internal walls between adjacent ports minimizes the horizontal footprint, allowing more ports to fit along the card edge.
  • Improved EMI Performance: A continuous outer shell with fewer gaps prevents electromagnetic waves from escaping or entering, helping systems meet strict FCC and CE Class B standards.
  • Simplified PCB Assembly: Multi-port press-fit (compliant pin) connections allow manufacturers to mount the entire 1xN structure in a single press cycle, avoiding the thermal stress of wave soldering.

Mechanical & Thermal Specifications

Choosing the right 1xN configuration requires balancing mechanical stability, airflow pathing, and pin geometry. Below is our baseline standard:

Parameter Specification Range
Standard Compliance SFF-8432, SFF-8071, SFP+ MSA
Port Matrix 1x2, 1x3, 1x4, 1x6, 1x8 Ganged
Housing Material Copper Alloy (Nickel plated)
PCB Tail Type Press-Fit (Compliant) / Through-Hole
Thermal Options Custom Heatsinks (PCI, SAN, Tall)

Macro-Industry Solutions & Global Trends

As data demands grow, 1xN ganged SFP cages are essential for high-density networking, telecom infrastructure, and cloud environments worldwide.

Hyperscale Data Centers & AI Clusters

Modern AI workloads require high bandwidth and low latency. Using 1x6 and 1x8 ganged SFP cages helps system designers maximize port density on switch line cards, facilitating fast east-west traffic flow across server racks.

5G Infrastructure & Edge Nodes

Outdoor base stations and edge nodes operate in harsh conditions. Zyqora's SFP cages are built with corrosion-resistant nickel-plated copper alloys and designed to withstand wide temperature ranges (-40°C to +85°C), ensuring reliable outdoor performance.

High-Frequency Trading & Enterprise networks

Enterprise core switches demand high throughput without packet loss. Our ganged cages feature continuous ground connections to minimize signal attenuation and prevent crosstalk, ensuring clean transmissions for financial and enterprise networks.

Engineering Focus: EMI Shielding & Thermal Performance

Operating optical transceivers at 10G SFP+ or 25G SFP28 speeds generates heat and high-frequency noise. Managing these factors is critical for system reliability.

Advanced EMI Mitigation

High-speed transceivers can leak electromagnetic radiation at port openings and PCB connection points. Zyqora designs cages with 360-degree EMI spring fingers and ground pins, creating a low-impedance path to the system ground. This design keeps radiation levels compliant with FCC Part 15 and EN 55022 limits.

Thermal Management & Custom Heatsinks

Modern transceivers can consume up to 1.5W to 2.5W per port. Without proper heat dissipation, high temperatures can degrade optical lasers. We offer integrated heatsinks in various fin heights (PCI, SAN, or custom profiles) that mount directly to the cage top, transferring heat away via system airflow.

Design Verification Testing (DVT)

Every ganged cage design undergoes rigorous mechanical and electrical testing before volume production:

  • Mating Durability: Tested to withstand a minimum of 100 insertion/extraction cycles without mechanical failure or contact degradation.
  • Press-Fit Retention Force: Ensures pins remain securely anchored in the PCB under vibration.
  • Thermal Cycling: Tested from -40°C to +85°C to confirm material stability and long-term contact resistance.
  • Salt Spray Testing: Evaluates nickel plating durability to guarantee corrosion resistance in humid or harsh environments.

About Zyqora Optical Technologies

Founded in 2016, Zyqora Optical Technologies Co., Ltd. is a professional manufacturer and supplier of high-performance optical transceivers and fiber connectivity solutions for data center, telecom, enterprise network, and cloud computing applications.

With a modern production facility covering 386 square meters, Zyqora specializes in the design, development, manufacturing, and testing of optical communication products, including SFP, SFP+, SFP28, QSFP28, QSFP-DD, OSFP, AOC, and DAC solutions. Our products are engineered to deliver reliable performance, scalability, and seamless compatibility with mainstream networking platforms.

Over the years, Zyqora has established a strong international presence, achieving annual export revenue exceeding USD 18 million. Backed by 8 years of export experience and 10 years of industry expertise, we serve customers across North America, Europe, Southeast Asia, the Middle East, and Latin America.

Quality is at the core of everything we do. Our manufacturing process is supported by comprehensive quality assurance procedures, including incoming material inspection, optical performance testing, aging tests, compatibility verification, and final product inspection. A dedicated team of 42 quality control professionals ensures that every product meets international standards and customer expectations.

As a company with both manufacturing and international trading capabilities, Zyqora has built a reliable supply network with more than 860 supply chain partners, enabling efficient sourcing, stable production, and flexible delivery schedules.

Our primary customers include telecom operators, data center providers, system integrators, network equipment distributors, and enterprise IT solution providers worldwide. To support evolving market demands, we maintain a strong research and development team focused on innovation and product optimization.

Zyqora offers comprehensive OEM and ODM services, including customized labeling, firmware coding, packaging design, and product specification development. Last year alone, the company successfully launched 168 new products to meet the growing requirements of next-generation network infrastructures. Our R&D department consists of 65 experienced engineers specializing in optical communication technologies, high-speed transmission systems, and network interoperability solutions. Through continuous innovation and strict quality management, Zyqora remains committed to providing cost-effective, reliable, and future-ready optical networking products for customers around the world.

10+
Years Industry Expertise
$18M+
Annual Export Revenue
65+
R&D Engineers
860+
Supply Chain Partners

Localized Support & Compliance Assurance

We serve global tier-1 integrators and network equipment manufacturers with certified manufacturing processes and regional support.

Environmental & Industrial Certification

Our manufacturing facility and products comply with strict international regulatory standards. Zyqora's SFP cages are certified under RoHS 2.0 (Directive 2011/65/EU) and REACH, ensuring they are free from restricted hazardous materials. In addition, the plastics in our light pipes and housing structures meet UL 94-V0 flammability standards, providing flame-retardant performance for data center and telecommunications infrastructure.

Global Distribution & Import Compliance

With an established logistics network, we ship directly to assembly lines and distribution centers in North America, the European Union, Southeast Asia, and South America. We handle export documentation, customs clearance, and HS code classification (typically HS 8517.70 or 8536.90) to ensure efficient delivery and minimize port delays.

Tailored ODM/OEM Engineering Support

We work closely with customers to support customized layouts and board requirements:

  • Custom Pin Offsets: Modifications to press-fit or through-hole pins to fit proprietary PCB stack-ups.
  • Optical Light Pipe Customization: Options for single, dual, or multi-element light pipes, configured to match various LED placements.
  • Thermal Customization: Design and production of heatsinks with customized fin patterns or heights to meet specific system airflow constraints.
  • Firmware & EPROM Coding: Custom coding for active SFP cages or copper assemblies to ensure compatibility with major switch platforms.

Technology Roadmap & Next-Generation Evolution

As data rates transition from 10G/25G to 56G and 112G PAM4 speeds, ganged cage design must evolve to meet new electrical and thermal demands.

Future data centers will rely on 112 Gbps per channel lanes to support 400G and 800G switches. This shift presents challenges for standard SFP cages, particularly regarding electrical crosstalk and thermal dissipation. Zyqora's R&D team is developing advanced solutions to address these needs:

  • High-Speed Contact Interfaces: Optimizing press-fit pin profiles to reduce parasitic capacitance at the PCB interface, maintaining signal integrity at high frequencies.
  • Composite Thermal Interface Materials (TIMs): Using high-conductivity TIMs between the transceiver module and the cage heatsink to improve thermal transfer efficiency by up to 25%.
  • Micro-Elastomeric EMI Gaskets: Transitioning from traditional copper alloy spring fingers to conductive elastomeric gaskets. These gaskets seal smaller gaps, providing reliable shielding at frequencies up to 40 GHz.

Through research into advanced copper alloys and stamping technologies, Zyqora aims to provide reliable, high-performance interconnect solutions that support next-generation network architectures.

Industrial Q&A / Frequently Asked Questions

Find answers to technical questions about SFP 1xN ganged cages, installation, and performance optimization.

Q1: What is the main difference between "Ganged" and "Stacked" SFP cages?
A: A "ganged" SFP cage features a 1xN horizontal layout where multiple transceivers sit side-by-side on a single row along the PCB. A "stacked" cage is a 2xN layout where ports are stacked vertically. Ganged ports offer a lower profile, making them suitable for low-clearance systems and optimizing cooling airflow over the single-row configuration.
Q2: Why is the Press-Fit (compliant pin) design preferred over Through-Hole Solder (THT)?
A: Press-fit pins create a mechanical, gas-tight connection inside the plated through-holes of a PCB without the need for solder. This avoids the thermal stress of wave or reflow soldering, which can warp high-density PCBs. Additionally, press-fit cages are easier to rework or replace during system maintenance.
Q3: How does Zyqora ensure compatibility with main-brand switches (like Cisco, Arista, Juniper)?
A: Our cages and integrated connectors are designed strictly to the Small Form-factor Pluggable (SFP) Multi-Source Agreement (MSA) standards (such as SFF-8431 and SFF-8432). This guarantees that any compliant transceiver module will fit mechanically and connect electrically, ensuring compatibility across major networking hardware platforms.
Q4: What types of heatsinks do you offer for high-power transceivers?
A: We offer aluminum heatsinks in various fin designs, including pin-fin, straight-fin, and cross-cut configurations. Customers can choose from three standard heights (PCI, SAN, or Tall) or request custom configurations to match their system's airflow direction and power requirements.
Q5: Can Zyqora provide customized light pipe configurations?
A: Yes, we provide light pipes in single, dual, or quad configurations, made from optical-grade polycarbonate. They can be customized to route light from PCB-mounted LEDs to the front bezel, accommodating different board layouts.
Q6: What is the typical lead time for custom OEM SFP cages?
A: For standard modifications (e.g., custom heatsinks or light pipes), the design-to-sample phase takes 2 to 3 weeks, and volume production follows in 4 to 6 weeks. For completely new tooling designs, the process takes approximately 8 to 10 weeks, including design verification and tooling setup.
All 1xN (Ganged Ports) Products