Zyqora Zyqora

SFP Cage Manufacturer & Exporter

High-Speed Optical Connectivity Enclosures & Advanced Signal Shielding Assemblies for Hyperscale Infrastructure

Featured High-Speed Interconnects

High-performance components engineered for robust signal integrity and standard compliance.

1X2 RJ 45 Modular Connector 8P8C 1840548-1

1X2 RJ 45 Modular Connector 8P8C 1840548-1

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Top Entry Female Ethernet Socket RJ11 Connector Jack

Top Entry Female Ethernet Socket 1 Port Unshielded Vertical 4P4C RJ11 Connector Jack

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2.5GBASE-LX Single Mode 2.5G SFP Transceiver

2.5GBASE-LX Single Mode 2.5G SFP 1310nm 15km Duplex LC SMF Optical Transceiver Module

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QSFP28 100GBASE-PLR4L Optical Transceiver Module

QSFP28 100GBASE-PLR4L 1310nm 2km 100G MPO-12 SMF Optical Transceiver Module

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Single Mode 1.25G 1310nm Duplex SC 20km SMF 1x9 Optical Transceiver

Single Mode 1.25G 1310nm Duplex SC 20km SMF 1x9 Optical Transceiver

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622M Single Mode SFP 1310nm 20km SMF Duplex LC Optical Transceiver Module

622M Single Mode SFP 1310nm 20km SMF Duplex LC Optical Transceiver Module

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Tyco 1840718-6 RJ45 Connector Modular Jack With Magnetics

Tyco 1840718-6 RJ45 Connector Modular Jack With Magnetics

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SMF 1310nm Single Mode 25G SFP28 20km DDM Duplex LC Optical Transceiver Module

SMF 1310nm Single Mode 25G SFP28 20km DDM Duplex LC Optical Transceiver Module

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2016
Established Year
860+
Supply Chain Partners
$18M+
Annual Export Revenue
65
R&D Engineers

Zyqora Optical Technologies Co., Ltd.

Founded in 2016, Zyqora Optical Technologies Co., Ltd. has evolved into a premier manufacturer and global exporter of high-density SFP cages, optical transceivers, and advanced copper/fiber connectivity components. Operating a state-of-the-art production cleanroom and prototyping facility covering 386 square meters, we integrate specialized mechanical engineering and strict electro-magnetic compatibility (EMC) design protocols to service telecom operators, hyperscale data centers, and industrial IoT integrators worldwide.

Our comprehensive portfolio spans SFP, SFP+, SFP28, QSFP28, QSFP-DD, OSFP, AOC, and DAC connectivity configurations. Through persistent research and deep industry knowledge, Zyqora delivers robust physical layer connectivity that forms the backbone of modern networks, ensuring long-term thermal viability, reliable grounding, and minimum insertion loss.

With an international network including over 860 supply partners, Zyqora sustains a highly resilient supply chain. Our dedicated workforce includes 42 quality assurance professionals and 65 R&D engineers, driving continuous design enhancement. Last year alone, Zyqora successfully rolled out 168 new product variations designed to accommodate the evolving demands of next-generation infrastructure, generating an annual export revenue exceeding USD 18 million across North America, Europe, the Middle East, Southeast Asia, and Latin America.

1. The Macro Industrial Landscape of Optical Enclosures

Modern telecommunication structures are under immense pressure to deliver higher bandwidth, lower latency, and continuous uptime. At the physical layer, the transition from legacy 10G SFP+ links to 25G SFP28, 100G QSFP28, and ultra-high-density 400G/800G optical interfaces has highlighted the critical role of SFP cages. No longer treated as simple sheet-metal guide brackets, modern transceiver cages serve as vital interfaces managing Signal Integrity (SI), Electromagnetic Interference (EMI) shielding, and Thermal Energy Dissipation.

As data rates scale to 28 Gbps per channel and beyond, high-frequency electromagnetic noise escapes through minimal apertures. An SFP cage must act as a Faraday cage to prevent EMI leakage that could disrupt neighboring high-speed copper traces.

Global digitization—propelled by machine learning clusters, localized edge computing, and 5G Open RAN architectures—demands components that can withstand extreme environmental conditions while maintaining structural integrity. From standard ganged 1x4 configurations to high-density stacked 2x6 arrays, SFP cages must protect active transceivers while ensuring clean electrical connection to host system PCBs.

2. SFP Cage Anatomy, Mounting Paradigms & Thermal Engineering

SFP cages must balance mechanical resilience with electrical performance. Choosing between press-fit compliant-pin designs and surface mount technology (SMT) is critical for system reliability. Zyqora SFP components are designed to meet these challenges through specific engineering choices:

  • Material Composition: High-grade copper-nickel-zinc alloys and phosphor bronze ensure excellent spring properties and corrosion resistance.
  • EMI Shielding: Integrated stainless steel or copper alloy EMI spring fingers offer continuous grounding to the bezel or panel faceplate.
  • Compliant Pin Design: Eye-of-the-needle press-fit pins allow cold-welded connections to multi-layer PCBs, eliminating thermal stresses from wave soldering.
  • Enhanced Heat Dissipation: Built-in thermal heatsinks and airflow cutouts dissipate up to 3.5W per slot for SFP28/QSFP28 transceivers.
  • Integrated Light Pipes: Custom-designed polycarbonate light guides redirect status indicators from the PCB to the front panel for easy visual inspection.

Thermal management is particularly critical as data center environments become more dense. Zyqora's SFP cages support customizable heatsinks (fin heights ranging from 5mm to 13.5mm) with direct mounting clips. This keeps optical modules within safe operating limits, preventing wavelength drift and protecting expensive laser diodes.

Proven Engineering Capabilities

Zyqora leverages precision production and rigorous quality assurance to meet international standards.

Rigorous Quality Control

Our dedicated team of 42 QC professionals conducts comprehensive incoming material inspections, dimensional verifying, automated optical inspection (AOI), insertion force tests, and compatibility verification.

Custom OEM/ODM Services

We provide customized packaging, labeling, custom light pipe configurations, and bespoke firmware tuning. Last year, our 65 R&D engineers successfully launched 168 new customized products.

Robust Global Operations

Backed by 8 years of export experience and 10 years of technical expertise, we export over $18 million in high-speed connectivity solutions to system integrators and telecom networks across the globe.

3. Global Regulatory Compliance & Localized Engineering Support

Navigating global regulatory frameworks is critical for OEMs and hardware design engineers. Interconnect components must meet environmental and safety standards to avoid project delays or recalls. Zyqora ensures full compliance across all key standards:

  • RoHS & REACH Directives: All cage assemblies are lead-free and free from hazardous substances, adhering to European standards.
  • UL 94V-0 Flammability: Internal insulating materials, light pipe brackets, and connector housings use flame-retardant thermoplastics.
  • Telcordia GR-1217-CORE: Products are tested for mechanical durability, thermal aging, humidity, and mixed-gas corrosion to guarantee a 20-year service life.
  • FCC and CE Electromagnetic Interference: Superior grounding fingers and gaskets provide over 20dB of EMI attenuation from 1GHz to 40GHz.

To help clients pass system-level EMI compliance testing, Zyqora provides localized engineering support. Our engineers collaborate directly with customers' hardware teams, providing CAD models, PCB layout recommendations, and simulation data to streamline the design process.

4. Deployment Scenarios & Environmental Durability

Zyqora SFP cages are built for diverse industrial environments and mechanical challenges:

Industrial IoT & Edge Computing: In smart factories and outdoor telecom enclosures, components face vibration, temperature swings, and humidity. Our press-fit cages use robust mechanical anchors to resist vibration, maintaining a reliable connection to the PCB. In addition, chemical-resistant nickel plating prevents oxidation in harsh, humid environments.

Hyperscale Cloud Data Centers: In dense compute clusters, airflow is crucial. Our stacked 2xN SFP28 and QSFP28 cages are designed with low-profile walls and back-panel venting to maximize airflow. This design allows fans to draw heat away from optical transceivers, preventing thermal throttling and maintaining signal reliability.

Substation Automation & Smart Grids: Power infrastructure is subject to electromagnetic fields from high-voltage lines. Zyqora's SFP cages feature 360-degree shielding to block external electrical noise, ensuring reliable and error-free data transmission in sensitive grid networks.

5. Technology Roadmap: Adapting to 112G PAM4 and CPO

As the optical communications industry adopts 112G and 224G PAM4 signaling, physical layer components must meet even tighter performance standards. The margin for signal loss, impedance mismatches, and noise is shrinking. Zyqora is actively preparing for these shifts with targeted engineering designs:

  • Ultra-High-Speed Routing: Redesigning cage press-fit pin footprints to minimize impedance discontinuities at the host PCB interface.
  • Advanced Grounding: Incorporating specialized elastomeric EMI gaskets that improve high-frequency shielding up to 60GHz.
  • Co-Packaged Optics (CPO): Developing low-profile socket interfaces that support direct optical connections near the host ASIC, reducing trace lengths and power loss.
  • Liquid Cooling Integration: Testing cage assemblies designed to operate in direct immersion-cooled server racks, ensuring material compatibility with dielectric fluids.

By investing in advanced testing equipment and high-frequency simulation tools, Zyqora ensures our customers have access to reliable components that support next-generation network upgrades.

Frequently Asked Questions

Technical answers regarding compatibility, mounting, EMI performance, and customization.

What is the primary difference between press-fit and solder SFP cages?

Press-fit cages feature compliant pins (e.g., eye-of-the-needle design) that establish a highly reliable gas-tight electrical connection with the plated through-holes (PTH) of the host PCB via purely mechanical force. This eliminates the thermal stress and risk of solder bridging associated with wave soldering, making assembly cleaner and rework significantly easier. Solder-mount SFP cages, conversely, are typically preferred for lower-cost, lower-layer-count PCBs where the manual assembly equipment for press-fitting is unavailable.

How do Zyqora SFP cages achieve optimal EMI suppression?

Zyqora SFP cages utilize dual-shielding strategies to suppress electromagnetic interference. The front bezel interface is fitted with specialized copper-nickel-zinc alloy or stainless-steel spring fingers that maintain a multi-point conductive contact with the panel cutout. This creates a low-impedance grounding pathway that effectively seals high-frequency radiation. Additionally, our cages feature interlocking mechanical tabs along the seams to minimize gaps where electromagnetic leakage could occur.

Are Zyqora's cages cross-compatible with TE Connectivity, Molex, and Amphenol?

Yes. All Zyqora SFP, SFP+, SFP28, and QSFP28 cages conform strictly to the Multi-Source Agreements (MSAs) governing SFP physical dimensions and host board footprints (such as SFF-8432 and SFF-8433). This ensures our products are fully compatible, drop-in replacements for standard industry offerings, allowing customers to dual-source components without redesigning their PCBs.

Can you provide custom light pipes and heat sinks?

Absolutely. Through our active OEM/ODM program, we offer customization for LED light pipe channels (single, double, or multi-port routing) and heatsink profiles. Depending on your system's airflow direction and thermal requirements, we can supply pin-fin, straight-fin, or cross-cut heatsinks in various heights, along with custom mounting clips to match your chassis layout.

What testing procedures are used to verify durability?

All our production batches undergo strict testing protocols. These include mechanical durability checks (verifying performance up to 250 mating cycles), contact resistance tracking, salt spray testing for corrosion resistance, and thermal shock cycles ranging from -40°C to +85°C. These tests verify the electrical and mechanical stability of our cages over their expected service life.

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TE Compatible Ganged 1x4 Ports EMI Shielded SFP Cage

2110069-1 TE Compatible Ganged 1x4 Ports EMI Shielded Press Fit SFP+ Cage With Light Pipe

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Multi-Port 2X1 Side Entry Through Hole Stacked RJ45 Connector

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RJ45 Connector PCB Mounting

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Low Profile RJ45 Connector With Leds

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