Xelivor
Xelivor
Engineered for high-frequency signal integrity, robust EMI mitigation, and drop-in compatibility with legacy deployments in Europe and global markets.
Annual Exports
R&D Engineers
Supply Chain Partners
QA Inspectors
Chisinau, the capital of Moldova, is rapidly transforming into an industrial and technological nearshoring powerhouse for Western Europe. Centrally positioned between the Eastern European growth zones and the European Union’s dense telecommunications networks, Chisinau has emerged as a key destination for IT, optical assemblies, and networking system integration. The country’s favorable economic policies, tax incentives within its Free Economic Zones (FEZs), and proximity to European logistics hubs make it a strategic assembly and procurement staging ground for telecommunications equipment manufacturers.
As global supply chains shift toward resilient, regionalized distribution networks, infrastructure procurement teams in Europe are looking at Chisinau for near-source hardware integration. High-density components like 2xN stacked SFP/SFP+ and QSFP+ cages are essential for local telecom carriers, system integrators, and industrial automation networks upgrading to 10G, 25G, and 100G architectures. Relying on components that match strict European quality guidelines ensures regional system stability, and that is where the intersection of Chinese manufacturing prowess and European distribution partners plays a critical role.
In high-speed data communications, physical space on the PCB (Printed Circuit Board) is a premium resource. The introduction of 2xN Stacked Port Cages has revolutionized the density mapping of network switches, routers, and host bus adapters (HBAs). By stacking two rows of ports vertically in configurations like 2x1, 2x2, 2x4, 2x5, 2x6, and 2x8, network equipment vendors can double port density within standard rack units (RU).
Globally, the rise of Artificial Intelligence (AI) training clusters, edge computing nodes, and massive 5G RAN deployments is driving unprecedented demand for stacked transceivers. SFP28 and zSFP+ solutions, operating at up to 28 Gbps per channel, require extreme precision in cage design to combat electromagnetic interference (EMI) and manage thermal dissipation. When ports are stacked, heat builds up rapidly in the internal rows; thus, integrated light pipes and customized airflow pathways are vital for modern high-performance networking setups. High-speed signals traveling through stacked pins demand precise press-fit connection geometries to maintain signal integrity and prevent loss over high frequencies.
While regional nearshoring hubs in Chisinau provide immediate logistical entry into Europe, the heavy R&D, tooling precision, and raw materials supply chain remain optimized in China. Xelivor Optoelectronics Co., Ltd. bridge this gap by offering advanced optical connectivity components with unparalleled production efficiency and rapid R&D cycles.
Our manufacturing strategy combines local logistical integration with China's component ecosystem:
Modern localized applications in Chisinau and the wider Moldovan region emphasize the need for robust high-density interconnects:
Moldova's growing e-governance infrastructure and regional edge datacenters in Chisinau require high-density 2x6 and 2x8 SFP+ cages to optimize rack space and support localized cloud workloads.
Carrier network upgrades from GPON to XGS-PON rely heavily on stacked 2x2 and 2x4 configurations to handle massive optical fiber distribution frames in metropolitan areas.
Free Economic Zones near Chisinau utilize industrial ethernet switches requiring EMI-shielded stacked cages to prevent signal corruption on noisy manufacturing floors.
A deep dive into the mechanical and electrical specifications required for reliable telecommunications engineering.
Equipped with advanced EMI metal spring fingers or conductive elastomeric gaskets, our stacked SFP cages prevent system-level electromagnetic emissions from degrading adjacent high-speed trace lines.
Designed with compliant "Eye-of-the-Needle" press-fit pins, facilitating uniform elastic deformation when inserted into PCBs. This eliminates soldering issues and ensures gas-tight electrical contacts.
Our cages incorporate multi-position optical light pipes, transmitting status indications from the PCB to the front panel, providing clear diagnostic visuals without compromising EMI performance.
Your Trusted Global Manufacturer of High-Speed Optical Transceivers & Connectivity Cages
Xelivor Optoelectronics Co., Ltd. is a professional manufacturer of optical transceivers and fiber connectivity solutions, dedicated to serving global data center, telecom, enterprise network, and cloud computing industries. Established in 2016, the company operates from a modern manufacturing facility covering 386 m² and has built a strong reputation for delivering reliable, high-performance optical communication products worldwide.
With over 8 years of industry experience and 6 years of export experience, Xelivor has achieved annual export revenues exceeding USD 12 million. Our products are exported to customers across North America, Europe, Southeast Asia, the Middle East, and South America, supporting a wide range of networking applications from enterprise infrastructure to hyperscale data centers.
Xelivor specializes in the design, development, and production of optical transceivers, including SFP, SFP+, SFP28, QSFP28, QSFP-DD, OSFP, DAC, and AOC solutions. Backed by a dedicated R&D team of 68 engineers, the company continuously invests in innovation and launched more than 85 new products in the past year to meet the evolving demands of high-speed optical networks.
Quality is at the core of our operations. Our quality management system incorporates incoming material inspection, in-process quality control, aging tests, compatibility verification, optical parameter testing, and final product inspection. A professional quality assurance team of 32 inspectors ensures every product meets strict international standards before shipment.
The company maintains long-term cooperation with more than 850 supply chain partners, enabling stable sourcing, efficient production, and rapid delivery capabilities. Our flexible manufacturing system supports OEM, ODM, private label, customized firmware, customized labeling, and packaging services to satisfy diverse customer requirements.
As a company with strong independent R&D capabilities, advanced testing equipment, and a customer-oriented approach, Xelivor serves distributors, system integrators, telecommunications operators, data center providers, network equipment vendors, and enterprise customers worldwide.
Explore our complete catalog of industry-compatible stacked interconnect solutions designed for modern system designs.
Insights into stacked 2xN connectors, press-fit design constraints, and sourcing logistics.
2xN stacked cages double the port density on the network card edge by stacking transceiver slots vertically. This layout design helps network hardware designers maximize interface configurations within 1RU chassis constraints. It does, however, require careful attention to system thermal flow and cross-talk mitigation.
Our 2xN cages match the exact physical footprint, compliant pin layouts, and mechanical tolerances specified by TE, Molex, and Pulse datasheets. By maintaining tooling tolerances within +/-0.05mm, our components drop into existing PCB designs without requiring layout modifications.
Xelivor leverages shipping links to Europe, enabling fast routing of specialized parts to system integrators in Moldova. We provide private label packaging, custom-designed light pipes, and pre-integrated connector packages to simplify assembly workflows.
Press-fit connections utilize compliant pins that deform slightly during insertion into plated through-holes on the PCB, creating a gas-tight, solder-free contact. This eliminates thermal stress from wave soldering, improves impedance matching, and facilitates easier field replacement of complex multi-port components.
