The JBX05793 3-meter HPE compatible 100GBASE-CR4 QSFP28 passive direct attach copper cable represents a cost-effective, high-performance networking solution for enterprise data centers and service providers. This cable delivers industry-standard 100GB Ethernet connectivity without the power consumption or complexity of active components, making passive DAC technology ideal for short-distance, high-speed interconnects. Construction and Design: Built with premium 28AWG twinax copper conductors and robust plastic jacketing, this cable balances durability with optimal signal transmission. The QSFP28 connectors (male to male) are precision-engineered to ensure secure connections and consistent performance in rack-mounted environments. Compliance and Standards: The JBX05793 fully adheres to IEEE 802.3bj specifications and QSFP28 MSA standards, ensuring compatibility with certified HPE networking equipment. RoHS, TUV, and UL certifications confirm compliance with EU directive 2002/95/EC, making this cable suitable for regulated industries and environmentally conscious organizations. HPE Compatibility: This cable serves as a direct replacement for HPE part numbers 834973-B25, R1N68A, and 845406-B21, eliminating compatibility concerns and simplifying procurement. It's specifically engineered to work seamlessly with HPE switches, routers, and storage solutions. Performance Characteristics: Designed to operate reliably within the 0-70°C temperature range, this cable maintains signal integrity in various data center environments. The 3-meter length provides optimal flexibility for equipment spacing while minimizing unnecessary cabling clutter. Value Proposition: Passive DAC cables like the JBX05793 offer substantial cost savings compared to active optics while delivering identical bandwidth. For applications within the 3-meter range, this solution eliminates the need for transceivers, reducing power consumption and operational complexity. Backed by a 90-day limited warranty and eligible for free standard shipping on orders exceeding $99, this cable represents excellent value for IT infrastructure upgrades and replacements.