The JBX05778 2m 100GBASE-CR4 QSFP28 Passive DAC Cable represents a cost-effective, high-performance solution for enterprises and data centers requiring robust 100GB networking connectivity. This passive direct attach copper cable combines proven twinax technology with modern QSFP28 connectors to deliver exceptional performance for bandwidth-intensive applications. Key Technical Features: This cable features QSFP28 to QSFP28 copper connectors with 28AWG twinax construction, delivering 100GBASE-CR4 performance up to 2 meters. The passive design eliminates active electronics, reducing power consumption and heat generation while maintaining signal integrity. Qualified to IEEE 802.3bj and QSFP28 MSA standards, it ensures compatibility across certified networking equipment. Compliance & Certification: Fully RoHS compliant and certified by TUV and UL, this cable meets EU Directive 2002/95/EC requirements. The copper connectors and plastic jacketing provide durability while maintaining environmental responsibility. Manufactured in Vietnam and China to the highest quality standards. Perfect for Palo Alto Networks: Specifically engineered as a direct replacement for Palo Alto Networks part number PAN-QSFP28-DAC-2M, this cable integrates seamlessly into existing Palo Alto Networks deployments, firewalls, and security appliances. Ideal for connecting high-speed security appliances to network infrastructure. Operational Excellence: With an operating temperature range of 0-70°C (32-158°F), this cable performs reliably in standard data center environments. The 2-meter length provides optimal flexibility for rack-to-rack and adjacent switch connections without excess cable clutter. Backed by a 90-day limited warranty and available with custom brand programming options. Applications & Use Cases: Deploy this DAC cable for server-to-switch connections, switch-to-switch uplinks, storage area network (SAN) interconnects, and high-performance computing clusters. The passive design makes it ideal for cost-sensitive deployments where active optics aren't necessary. Free standard shipping on orders over $99 makes bulk purchasing economical for enterprise customers.