The JBX05559 2-meter QSFP28 breakout direct attach copper cable represents an excellent choice for data center managers and network engineers seeking high-performance, cost-effective connectivity solutions. This Cisco-compatible 100GBASE-CR4 cable is engineered to deliver consistent 100Gbps performance in demanding network environments. **Key Features & Specifications:** This passive breakout DAC cable features a one-to-two configuration, converting a single QSFP28 port into dual QSFP28 connections. The 30AWG twinax copper construction minimizes signal degradation while maintaining flexibility for installation in tight spaces. Measuring just 2 meters in length, it's optimized for short-range connections typical in data center top-of-rack and end-of-row deployments. **Compliance & Quality Standards:** Fully certified to RoHS/ELV directives and TUV/UL safety standards, this cable meets rigorous international environmental and safety requirements. Qualification to IEEE 802.3bj specifications and QSFP28 MSA ensures interoperability with certified equipment. **Ideal Applications:** Perfect for Cisco data center switches, storage arrays, and server connections. The passive design eliminates power consumption concerns while delivering reliable performance in 100GB networks. Suitable for environments requiring maximum uptime and consistent connectivity. **Operating Conditions:** Rated for 0-70°C operation, this cable maintains performance across typical data center temperature ranges. The robust construction withstands regular handling and installation cycles. **Warranty & Support:** Backed by a 90-day limited warranty, ensuring peace of mind for your networking investment. Ships from convenient US locations with free standard shipping on orders over $99. Custom brand programming is available for enterprise deployments. Choose the JBX05559 for reliable, high-speed data center connectivity that meets enterprise standards and budgetary requirements.