OptiLinker
OptiLinker
As South Korea continues to spearhead the global digital transformation, Seoul has emerged as the epicenter of high-speed optical networking. The demand for 25G SFP28 and 32G Fibre Channel modules in Seoul is driven by a unique confluence of factors: the massive concentration of Tier 4 data centers in Gasan Digital Complex, the cutting-edge R&D labs in Pangyo Techno Valley, and the nationwide 5G/6G testbeds.
Unlike other global hubs, Seoul's network infrastructure is characterized by extreme density. With the highest fiber-to-the-home (FTTH) penetration and the rapid expansion of AI-driven smart city initiatives (K-Smart City), the transition from 10G to 25G SFP28 is no longer a luxury but a requirement for maintaining low-latency service level agreements (SLAs).
Local enterprises in Seoul are increasingly adopting 25G SFP28 modules for 5G Front-haul and Fibre Channel 32G (32GFC) for high-performance storage area networks (SAN). These modules provide a cost-effective path to 100G and 400G, offering 2.5 times the bandwidth of 10G SFP+ while utilizing the same form factor.
The global SFP28 market is projected to grow at a CAGR of 12% through 2028. As AI workloads like LLMs require higher East-West traffic capacity, 25G has become the "new 10G" for leaf-spine architectures.
Seoul’s telecommunications providers are utilizing SFP28 BiDi and CWDM/DWDM modules to maximize existing fiber strands for 5G eCPRI links, ensuring high-density synchronization.
In the Yeouido financial district, 32G SFP28 Fibre Channel modules are critical for ultra-low latency storage access, minimizing micro-burst bottlenecks in trading systems.
OptiLinker Optoelectronics Co., Ltd. (OptiLinker) is a professional optical transceiver manufacturer and solution provider under the brand OptiLinker (www.optilinkertrans.com), specializing in high-speed optical communication modules for global data center and telecom applications.
Founded in 2016, OptiLinker operates a modern production facility with a total building area of approximately 320㎡. With continuous development in optical communication technology, the company has accumulated over 12 years of industry experience and approximately 8 years of export experience.
Quality assurance is a core focus at OptiLinker. The company implements 100% incoming material inspection, AOI automated optical inspection, and full optical performance testing. Product verification includes BER testing, eye diagram analysis, and high/low temperature cycling tests, ensuring stable performance under demanding Seoul network environments. The quality control team consists of 35 dedicated QC professionals.
Navigating the Seoul market requires more than just high-quality hardware. OptiLinker provides localized support to ensure all 25G/32G SFP28 modules meet South Korean regulatory and operational standards:
While they share the same physical form factor, 25G SFP28 is primarily for Ethernet (IEEE 802.3by) used in data centers and 5G. 32G Fibre Channel is designed specifically for storage networks (Fibre Channel Protocol) and operates at a bit rate of 28.05Gbps to support Fibre Channel framing.
Many of our dual-rate modules (like the SFP-10/25G-CSR-S) are designed to be backward compatible. However, the switch port must support rate-sensing or manual configuration to 10G. This is highly beneficial for Seoul enterprises currently in the middle of a phased upgrade.
Yes. Our engineering team of 60 specialists provides remote protocol analysis and firmware tuning. We have a history of serving Southeast Asia and the Far East with rapid technical response times.
