The JBX05815 100GBASE-CR4 QSFP28 Passive Direct Attach Copper Cable represents an essential connectivity solution for modern data center infrastructures requiring high-speed, low-latency network performance. Engineered to meet Dell specifications and IEEE 802.3bj standards, this 0.5-meter cable delivers exceptional value for enterprise networking environments. Technical Specifications: This passive DAC cable features premium 30AWG twinax copper construction encased in a protective plastic jacket, measuring 12x12x2mm. The dual QSFP28 connectors support 100GB data rates with zero signal degradation, making it ideal for short-reach connections within data centers where minimal latency is paramount. Key Advantages: Passive DAC technology eliminates the complexity and cost associated with active optical solutions while maintaining superior signal integrity. The cable operates without external power, reducing cooling requirements and overall system complexity. Its compact 0.5m length optimizes rack space utilization in high-density server deployments. Compatibility and Certifications: The JBX05815 is fully compatible with Dell networking equipment and replaces OEM part numbers 02-SSC-5814-0.5M, 470-ABOU, and 470-ABPW. Certified to IEEE 802.3bj, QSFP28 MSA, and SFF-8665 specifications, the cable meets stringent RoHS, TUV, and UL safety standards for enterprise-grade installations. Applications: Perfect for connecting modular switches, high-performance servers, and storage arrays in 40/100G data center environments. The passive design makes it ideal for budget-conscious enterprises seeking reliable connectivity without compromising performance. Warranty and Support: Backed by a comprehensive 90-day limited warranty, this cable includes custom brand programming availability for large-scale deployments. Free standard shipping applies on orders exceeding $99, with shipment from strategically located fulfillment centers in California and South Carolina.