The JBX05798 3m HPE Networking Compatible 100GBASE-CR4 QSFP28 Passive Direct Attach Copper Cable represents an essential component for modern data center infrastructure. As a passive DAC solution, it eliminates the power consumption and heat generation associated with active cables, making it an environmentally conscious and economically efficient choice for organizations scaling their networking capabilities. Technical Specifications: This professionally engineered cable features 28AWG twinax copper conductors wrapped in durable plastic jacketing, providing both signal fidelity and mechanical protection. The QSFP28 form factor connectors comply with the QSFP28 MSA (Multi-Source Agreement) and SFF-8665 standards, ensuring reliable interconnection with HPE Networking equipment. The cable qualifies for IEEE 802.3bj specifications, the industry standard for 100GBASE-CR4 transmission. Performance & Reliability: Designed for 100GB data transmission at distances up to 3 meters, this cable delivers consistent performance in temperature-controlled data center environments (0-70°C operating range). The passive design requires no external power source, reducing infrastructure complexity and potential failure points. Its robust construction maintains signal integrity over distances where active equipment would be unnecessary. Compliance & Safety: Fully RoHS and ELV directive compliant (EU 2002/95/EC), this cable meets TUV and UL safety certifications. These rigorous compliance standards ensure the cable meets international safety requirements and environmental regulations, providing peace of mind for enterprise deployments. Applications & Benefits: Ideal for connecting HPE Networking switches, storage arrays, and servers within data center environments, this DAC cable reduces latency and eliminates the need for optical transceivers and fiber infrastructure for short-distance connections. It's particularly valuable in high-density rack configurations where multiple 100GB connections are required. Value Proposition: By replacing OEM part number R9F74A, the JBX05798 offers a cost-effective alternative to proprietary solutions without compromising quality or compatibility. Combined with free standard shipping on orders exceeding $99 and a 90-day limited warranty, this cable provides exceptional value for cost-conscious IT teams. Shipping & Support: Ships from multiple U.S. locations (Danville, CA and Beaufort, SC) ensuring rapid delivery. Custom brand programming is available for organizations with specific identification requirements.