In the rapidly evolving landscape of high-speed data transmission, the 40G DAC (Direct Attach Cable) remains a cornerstone of short-range interconnectivity. While 100G and 400G are dominating the headlines of core hyperscale data centers, the 40G infrastructure continues to experience robust demand in enterprise networks, secondary data centers, and edge computing hubs.
The global market for 40G DAC is driven by its unparalleled cost-efficiency. For links under 7 meters, Passive Copper DACs offer nearly zero power consumption and latency, making them the preferred choice for Top-of-Rack (ToR) switch-to-server connections. As AI-driven workloads proliferate, the need for stable, low-latency, and high-density cabling has never been higher.
The transition toward 400G/800G hasn't rendered 40G obsolete; instead, it has localized it into specific high-performance niches. In industrial automation, smart healthcare, and private cloud deployments, 40G DACs provide the perfect balance between bandwidth and budget.
With the rise of 5G, data processing is moving closer to the user. Localized edge nodes use 40G DACs to stack switches efficiently within small footprints, ensuring low-latency data flow for IoT devices.
While backbone links use optics, the internal rack connections within GPU clusters often rely on DACs (40G/100G) to handle the massive east-west traffic generated during machine learning model training.
High-speed storage arrays utilize 40G connections to prevent bottlenecks between NVMe drives and servers, ensuring high-speed access to mission-critical databases.
Kocent Optec Limited established in 2012 in Hong Kong as a hi-tech communication enterprise, is one of China's leading fiber optic termination product manufacturers and solution providers.
We're dedicated to developing and manufacturing fiber optic communication products ranging from passive to active categories for telecommunication networks, enterprise networks and data centers.
By leveraging our extensive experience and excellent production capacity we gained over the years, we magnify the outcome for our valuable customers, which ultimately expands their core competencies and helps them outperform competitors. We place emphasis on customer collaboration, and we define ourselves as your valuable partner in fiber optic connection solutions.
With more than 13 years of experience, we follow strict fiber optic industry standards to ensure 100% testing and inspection before shipment.
Advanced Testing Center
MTP MPO Production Line
PLC Splitter Production Line
SFP QSFP Production Line
FDB and FOSC Assembly
Quality Control Lab
Fiber Polishing Workshop
Clean Room Environment
As a leading China DAC 40G Factory, KCO Fiber provides customized solutions that are compatible with top brands including Cisco, Huawei, ZTE, H3C, Juniper, HP, Dell, and Netgear. Our vertical integration allows us to offer competitive pricelists without compromising on the rigorous quality standards required by global enterprises.
Choosing the right factory is critical for network stability. Our 40G DAC and AOC products are built using high-speed twinaxial copper or premium fiber cores, ensuring data integrity over every meter. As the demand for 40G increases in localized data centers and specialized industrial applications, Kocent Optec stands ready with high-volume production capacity and a commitment to quality that is "second to none."
Our OEM service allows you to leverage our strengths, core competencies, and technology expertise to expand revenue while reducing costs. We ensure that each customized solution meets your needs while maintaining high standards of quality and performance.