The JBX05661 2m 100GBASE-CR4 QSFP28 to 4x SFP28 Direct Attach Copper Cable is engineered for demanding data center and enterprise network environments. This HPE-compatible breakout cable delivers exceptional performance and reliability for organizations seeking to upgrade their networking infrastructure without excessive capital expenditure. Technical Excellence: This passive breakout DAC utilizes premium 30AWG twinax copper conductors with protective plastic jacketing, ensuring superior signal integrity and reduced crosstalk. The design meets rigorous IEEE 802.3bj specifications and QSFP28 MSA standards, guaranteeing compatibility with HPE systems and other standards-compliant equipment. With copper connectors on both ends, this cable provides stable, corrosion-resistant connections. Performance Characteristics: Supporting 100GBASE-CR4 signaling, this 2-meter cable is ideal for shorter interconnects within rack environments. The passive design eliminates additional power draw compared to active solutions, reducing operational costs and heat generation. Operating temperature range of 0-70°C ensures reliable performance in controlled data center climates. Compatibility and Certification: Direct replacement for HPE part numbers Q9S72A-2M and 845416-B21-2M, this cable integrates seamlessly into existing HPE infrastructures. RoHS, TUV, and UL certifications demonstrate compliance with EU directive 2002/95/EC, ensuring environmental responsibility and safety standards. Applications: Perfect for enterprise data centers, cloud service providers, high-performance computing clusters, and storage network installations. Particularly valuable for organizations standardizing on 100GB network speeds while managing upgrade budgets. Warranty and Support: Backed by a 90-day limited warranty and available with custom brand programming options. Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders over $99. Choose this HPE-compatible breakout cable for proven reliability, superior signal quality, and cost-effective 100GB connectivity solutions.