The JBX05731 2.5m 100GBASE-CR4 QSFP28 passive direct attach copper cable represents a cost-effective solution for enterprise-grade 100GB networking infrastructure. Engineered specifically for Fortinet compatibility, this high-performance cable delivers the speed and reliability required in modern data centers while maintaining affordability and operational efficiency. **Key Features & Benefits:** This passive DAC cable eliminates the need for active components, reducing power consumption and operational costs without sacrificing performance. The 28AWG twinax copper construction ensures superior signal integrity and minimal crosstalk, critical for maintaining 100GB transmission speeds over the 2.5-meter distance. Full compliance with IEEE 802.3bj and QSFP28 MSA standards guarantees seamless integration with Fortinet FortiGate and other certified networking equipment. **Technical Specifications:** The cable features QSFP28-to-QSFP28 copper connectors and operates reliably within the 0-70°C temperature range. With dimensions of 12x12x3mm and an 8544.42.9090 harmonization code, it meets all international regulatory requirements including EU RoHS Directive 2002/95/EC. **Applications & Use Cases:** Ideal for high-speed interconnects between data center switches, network appliances, and server infrastructure. The 2.5m length accommodates typical rack-to-rack configurations while maintaining optimal performance. Perfect for organizations seeking reliable Fortinet-compatible connectivity without premium pricing. **Quality Assurance:** Each cable undergoes rigorous testing to ensure compliance with industry standards. The 90-day limited warranty provides peace of mind, while custom brand programming availability enables OEM integration. Manufactured in Vietnam and China with quality controls meeting international standards, these cables ship from convenient US locations (Danville, CA and Beaufort, SC) with free standard shipping on qualifying orders.