Industry-standard, drop-in replacements with optimized EMI shielding and thermal management structures.
In modern telecommunications, data centers, and enterprise storage arrays, spatial efficiency on the printed circuit board (PCB) is a critical parameter. The 1xN Ganged SFP Cage (where N represents multiple ports arranged in a single horizontal row, such as 1x2, 1x3, 1x4, 1x6, or 1x8) serves as the physical housing and EMI containment structure for SFP, SFP+, and SFP28 optical transceivers. By grouping multiple ports into a single, cohesive mechanical assembly, network system architects can maximize port density, reduce component counts, and establish superior electrical grounding routes compared to utilizing multiple standalone single-port cages.
Ganged cages leverage shared metal walls between adjacent ports. This design significantly reduces the physical spacing required between active optical transceivers. However, bringing high-speed data lanes into such close proximity introduces severe challenges related to electromagnetic interference (EMI) and thermal dissipation. Our ganged SFP cages are engineered using premium copper alloy housing with nickel or tin plating, incorporating advanced EMI spring fingers and elastomeric gaskets. These features ensure robust shielding effectiveness across high frequency bands up to and exceeding 28 Gbps per channel.
Multiple grounding pins and integrated metal EMI spring fingers maintain consistent, multi-point contact with the bezel interface and PCB ground planes, minimizing EMI leakage.
Available with outer or inner clear polycarbonate light pipes. This enables clear visual status monitoring (LED link/activity indications) direct from the PCB to the front panel bezel.
Integrated clip-on heat sinks (available in riding, fin, or pin-fin configurations) directly interface with the transceivers to extract heat, maintaining critical junction temperatures.
Hardware design engineers and global procurement managers face complex decisions when sourcing interconnect components. While single-port SFP cages offer design flexibility for lower-density modules, enterprise routers, edge switches, and storage area network (SAN) devices require maximum port count per rack unit (RU). A 1x4, 1x6, or 1x8 ganged SFP cage allows system designers to align up to 8 SFP ports in a compact, single-row footprint. This optimizes motherboard space and streamlines the assembly line by replacing up to 8 individual soldering or press-fit insertion processes with a single placement action.
When sourcing replacement components for Tier-1 brands like TE Connectivity or Amphenol, compatibility is paramount. Transolix engineered products are 100% compliant with SFF-8431, SFF-8432, and SFF-8472 multi-source agreements (MSA). This ensures that our cages feature identical mechanical footprints, mounting layouts, and electrical grounding pins, offering seamless drop-in replacements for parts like TE 2170193-1, 2198235-1, or Amphenol U77 series. This cross-compatibility mitigates supply chain risks and reduces bill-of-materials (BOM) costs by up to 40% without compromising reliability or signal integrity.
Transolix stands at the intersection of technological innovation and manufacturing excellence. As a leading cross-border B2B manufacturer based in China's optical communication hub, we specialize in high-performance fiber optic and electrical interconnect assemblies. By utilizing fully automated stamping, plating, and assembly lines, we guarantee dimensional stability and coplanarity of our SFP compliant press-fit pins, ensuring damage-free insertion into backplanes and multi-layer PCBs.
Our quality management system is anchored on ISO 9001 standards and rigorous internal reliability testing. Transolix maintains a dedicated QC staff of 42 certified inspectors and an R&D department staffed by 128 highly skilled engineers. Every production batch of 1xN ganged SFP cages undergoes comprehensive testing, including salt spray testing for corrosion resistance, insertion/withdrawal force verification, contact resistance checks, and eye diagram signal integrity analysis. By sourcing premium materials and working with a network of 860 certified upstream suppliers, we maintain strict quality control from raw brass/phosphor bronze coils to the final plated, packaged product.
Deploying networking hardware on a global scale requires strict adherence to international environmental and safety standards. All SFP+ and SFP cages manufactured by Transolix are fully compliant with the RoHS (Restriction of Hazardous Substances) and REACH regulations, ensuring that all alloys, platings, and plastic light-pipe components are free of hazardous lead, mercury, cadmium, and polybrominated biphenyls. Furthermore, the plastic housings and light pipes utilize UL 94-V0 rated self-extinguishing materials, satisfying strict flame retardancy criteria required for enterprise datacenters.
We understand that global procurement requires localized technical and logistical assurance. Transolix supports system integrators and distributors with local engineering consultancy, custom design capabilities (such as optimized heatsink height profiles, customized light pipe positioning, and custom PCB tail lengths), and localized logistical warehouses. Whether you are deploying switches in North America, upgrading telecommunications towers in Europe, or expanding hyperscale datacenters in Southeast Asia and the Middle East, our local support networks ensure that technical guidance, sample iterations, and customs compliance documentations are processed efficiently.
Where are 1xN ganged SFP cages deployed? The physical layout of these housings directly supports a variety of high-bandwidth, high-density applications:
By grouping SFP ports into 1x4 or 1x8 ganged layouts, switches can accommodate up to 48 ports in a single 1RU chassis. Integrated heat sinks ensure that hot-swappable transceivers running 10G/25G protocols remain within safe thermal operating limits during peak traffic.
Outdoor telecom infrastructure demands rugged mechanical components. Press-fit, EMI-shielded 1x2 and 1x3 SFP cages withstand extreme thermal cycles and vibrations, maintaining connection integrity in harsh remote base station environments.
High-speed data writes and reads require low latency. Ganged SFP cages house the critical fiber link modules, providing maximum throughput while ensuring that high-frequency electromagnetic noise does not interfere with nearby storage controllers.
The optical interconnect industry is experiencing rapid evolution. As bandwidth demands escalate from 100G and 400G to 800G and 1.6T, thermal dissipation per port has increased from 1.5 Watts to over 15 Watts. This shift changes the requirements for cage designs. While standard SFP cages historical carried low thermal loads, modern cages must be designed as active heat exchangers. We are seeing a move toward Co-Packaged Optics (CPO) and Near-Packaged Optics (NPO), which place optical engines closer to the ASIC.
Despite these architectural changes, pluggable transceivers and their corresponding physical cages remain the dominant layout due to ease of maintenance and field upgrades. Future cage designs will incorporate advanced thermal interface materials (TIMs), optimized internal airflow paths, and enhanced metal configurations to manage the heat generated by coherent transceivers. Transolix remains at the forefront of this trend, actively researching and developing next-generation cage assemblies that offer superior heat conduction and EMI resilience for tomorrow's networks.
Durable, high-performance structural enclosures matching demanding telecom and computing layouts.
Transolix is a professional optical transceiver manufacturer specializing in high-performance fiber optic communication solutions for global data centers, telecom operators, and enterprise networks. With strong engineering capabilities and scalable production capacity, Transolix is committed to delivering reliable, high-speed, and cost-effective optical connectivity products worldwide.
Our cross-border B2B export-focused manufacturing background ensures that we understand the stringent needs of North American, European, Southeast Asian, and Middle Eastern markets. Established in 2016, our facility incorporates 320㎡ of dedicated precision assembly space and supports annual export revenues between USD 8 million and 15 million. Over the course of 11 years in the industry and 6 years of direct global exporting, we have integrated a vast network of 860 certified upstream suppliers (covering optical engines, lasers, PCBs, and mechanical cages), securing consistent material pipelines and competitive pricing structures.
Our quality system leverages automated optical testing, eye diagram analysis, aging tests, and 100% final performance verification. Backed by 42 dedicated quality control professionals, Transolix guarantees that every shipped batch of SFP cages and transceivers meets strict ISO 9001 standards and customer-specific reliability thresholds. Customization support is comprehensive, allowing clients to configure wavelength parameters, form factors, transmission distances, protocol compatibility profiles, and firmware architectures. Over the past year alone, our engineering team successfully launched 86 new product models, sustaining our industry leadership.
Transolix
