The JBX05783 3-meter 100GBASE-CR4 QSFP28 passive direct attach copper cable represents the ideal choice for organizations seeking reliable, high-performance connectivity in demanding network environments. This cutting-edge twinax cable is specifically engineered to meet the rigorous demands of modern data centers, cloud computing infrastructure, and enterprise networks operating at 100GB speeds. Key Technical Features: This passive DAC cable utilizes 28AWG copper conductors wound in a twinax configuration, delivering exceptional signal integrity without active components. The QSFP28 to QSFP28 connectors ensure seamless compatibility with Dell network switches and compatible equipment. At 3 meters in length, it provides optimal reach for intra-rack and rack-to-rack connectivity without the latency penalties associated with active cables or longer runs. Compliance and Certification: Qualified to IEEE 802.3bj specifications and QSFP28 MSA standards, this cable meets stringent industry requirements. RoHS and ELV compliant construction eliminates hazardous substances, while TUV and UL certifications verify safety and reliability. The cable operates flawlessly across temperatures from 0-70°C (32-158°F), suitable for standard and climate-controlled data center environments. Dell Compatibility: Perfectly compatible with Dell networking infrastructure, this cable replaces multiple Dell OEM part numbers, reducing procurement complexity and costs. It integrates seamlessly into existing Dell-based network architectures. Applications and Use Cases: Ideal for high-speed interconnects in data centers, storage networks, HPC clusters, and financial trading environments where low-latency, high-bandwidth connectivity is critical. Perfect for connecting Dell switches to servers, storage systems, and other 100GB-capable equipment. Advantages of Passive DAC Technology: Unlike active cables, passive DACs eliminate power consumption, heat generation, and compatibility concerns, offering superior reliability and longevity. The direct attach design reduces signal reflection and provides superior electromagnetic shielding compared to traditional fiber solutions. Warranty and Support: Backed by a comprehensive 90-day limited warranty, ensuring peace of mind with your investment. Ships from multiple US locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99.