The JBX05954 200GBASE-CR4 QSFP56 to 4x SFP56 direct attach copper breakout cable is a premium networking solution designed for modern data centers and high-performance computing environments. This 1-meter passive breakout DAC serves as a direct replacement for HPE part number R6F27A-1M, making it an ideal choice for organizations standardizing on HPE infrastructure or requiring compatible alternatives. Key Technical Specifications: This breakout cable features QSFP56 form factor connectivity on one end and four individual SFP56 connectors on the other, enabling flexible port configuration. The 30AWG twinax copper construction provides optimal signal integrity for 200GB Ethernet transmission, while the plastic jacketing offers durability and protection in rack environments. Dimensions of 12x12x2 inches ensure compact storage and easy cable management. Compliance and Certification: Fully compliant with RoHS/ELV directives and EU directive 2002/95/EC, this cable meets stringent environmental and safety standards. TUV and UL certifications guarantee quality and reliability. The product qualifies to IEEE 802.3cd specifications and QSFP56 MSA CMIS standards, ensuring seamless integration with certified equipment. Applications and Benefits: Ideal for data center operators needing to break out high-bandwidth connections across multiple downstream ports. The passive design eliminates the need for active electronics, reducing power consumption and heat generation. Perfect for aggregating multiple 50GB SFP56 connections into a single 200GB QSFP56 port, this cable reduces switch port requirements and improves network efficiency. Performance and Durability: Operating across a temperature range of 0-70°C, this cable maintains performance stability in diverse data center conditions. The robust copper construction ensures minimal signal loss and superior EMI protection. Backed by a 90-day limited warranty and available with custom brand programming options, this solution provides flexibility for OEM integrators and resellers. Shipping and Support: Ships from convenient US locations in Danville, CA and Beaufort, SC with free standard shipping on qualifying orders. Manufactured in Vietnam and China using consistent quality standards, ensuring reliable product delivery and compatibility assurance.