The JBX05778 2m 100GBASE-CR4 QSFP28 passive direct attach copper cable represents an essential infrastructure component for modern data centers and enterprise networks utilizing Palo Alto Networks equipment. This high-performance interconnect solution combines proven copper technology with advanced twinax engineering to deliver exceptional value and reliability. **Technical Specifications & Performance** With a 2-meter length and 28AWG gauge, this passive DAC cable achieves 100GB/s data transmission rates across short to medium distances. The QSFP28 form factor provides superior density compared to older generation connectors, enabling efficient use of valuable rack space. Manufactured with precision copper connectors and professional-grade plastic jacketing, it ensures durable performance in active data center environments. Compliance with IEEE 802.3bj and QSFP28 MSA standards guarantees interoperability and signal integrity. **Key Advantages** Passive DAC technology eliminates external power requirements, reducing operational costs and cooling demands. This design proves particularly advantageous in power-constrained environments or high-density deployments. The cable's compact form factor minimizes cable management overhead while maintaining full bandwidth capabilities. With dimensions of 12x12x2 and a manageable 2-meter length, installation remains straightforward without sacrificing performance. **Compliance & Quality Assurance** Fully RoHS and TUV certified, this cable meets EU Directive 2002/95/EC requirements for hazardous substance restrictions. The 90-day limited warranty provides peace of mind for critical network infrastructure investments. Operating reliably across temperatures from 0-70°C, it performs consistently in diverse data center conditions. **Ideal Applications** Perfect for connecting Palo Alto Networks security appliances, switches, and servers within data centers. Particularly suited for high-frequency trading environments, cloud service providers, and enterprise networks requiring proven reliability. This OEM-replacement solution (PAN-QSFP28-DAC-2M equivalent) reduces procurement costs while maintaining manufacturer-level quality standards. **Shipping & Availability** Ships complimentary with orders exceeding $99 from strategic US locations (Danville, CA and Beaufort, SC), ensuring rapid deployment. Custom brand programming available for enterprise customers requiring standardized labeling across their infrastructure.