The JBX05793 3-meter HPE Compatible 100GBASE-CR4 QSFP28 passive direct attach copper cable represents an optimal solution for organizations seeking reliable, high-speed data center connectivity without the complexity and cost of active infrastructure components. **Product Overview** This passive DAC cable is engineered to meet the demanding requirements of modern enterprise networks. The 100GBASE-CR4 standard ensures compatibility with HPE networking equipment while delivering consistent 100GB bandwidth for server-to-switch and switch-to-switch connections. Unlike active cables, the passive design requires no additional power, reducing operational costs and simplifying deployment. **Technical Specifications** The cable features premium 28AWG twinax copper construction with a durable plastic jacket, providing excellent shielding against electromagnetic interference. Copper connectors ensure reliable signal transmission and durability through repeated mating cycles. The QSFP28 form factor offers compact density, allowing maximum port utilization in high-density networking environments. **Compliance & Certification** Fully compliant with IEEE 802.3bj specifications and QSFP28 Multi-Source Agreement (MSA) standards, this cable guarantees interoperability with qualified networking equipment. RoHS and EU directive 2002/95/EC compliance ensures environmental responsibility, while TUV and UL certifications validate safety and quality standards. **Ideal Applications** • Data center infrastructure upgrades • High-speed server interconnects • Top-of-rack (ToR) switch connections • Storage area networks (SAN) requiring 100GB connectivity • HPE ProLiant and Apollo system deployments • Mission-critical applications demanding low-latency connections **Why Choose This Cable** With a 3-meter length ideal for typical rack configurations, this cable provides flexibility for various deployment scenarios. The passive design eliminates power concerns and heat generation, improving overall system reliability. Custom brand programming is available for organizations requiring proprietary labeling. **Warranty & Support** Backed by a 90-day limited warranty and manufactured in Vietnam or China to stringent quality standards, this cable offers reliable performance with professional support. Free standard shipping on orders over $99, with rapid dispatch from Danville, CA or Beaufort, SC locations ensures quick availability. **Compatibility** This cable directly replaces HPE OEM part numbers 834973-B25, R1N68A, and 845406-B21, making upgrades straightforward for existing HPE customers. The passive technology integrates seamlessly into any 100GBASE-CR4 compatible infrastructure.