The JBX05246 40GBASE-CR4 QSFP+ Passive Direct Attach Cable is a premium networking solution designed for organizations requiring high-speed, cost-effective data center connectivity. This 7-meter cable represents an optimal balance between distance capability and signal integrity in high-bandwidth environments. **Technical Specifications & Performance** With 26AWG twinax copper construction, this passive DAC cable delivers full 40Gbps performance per IEEE 802.3ba specifications. The passive design means no active components or external power requirements, reducing complexity and failure points. The copper-to-copper QSFP+ connectors ensure secure, reliable connections that maintain signal quality across the full 7-meter span. **Compatibility & Integration** Brocade-certified and directly compatible with the OEM part 40G-QSFP-C-0701, this cable integrates seamlessly into existing Brocade SAN and network deployments. It's also compatible with other QSFP+-equipped infrastructure from leading manufacturers including Cisco, Arista, Cumulus, and Dell EMC environments. **Standards & Compliance** Qualified to IEEE 802.3ba and SFF-8436 standards, this cable meets stringent industry requirements. RoHS and EU directive 2002/95/EC compliance ensures environmental responsibility. TUV and UL safety certifications provide confidence in manufacturing quality and operational safety. **Operational Advantages** Passive DAC technology eliminates latency introduced by active components, making this ideal for latency-sensitive applications. Operating temperature range of 0-70°C accommodates typical data center conditions. The plastic jacket provides durability while maintaining flexibility for installations in tight spaces. **Customization & Support** Custom brand programming is available for organizations requiring OEM branding. The 90-day limited warranty protects your investment, while free standard shipping on orders exceeding $99 improves cost-effectiveness for bulk deployments. **Ideal Applications** Perfect for 40GB SAN implementations, high-speed data center interconnects, server-to-switch connectivity, and other short-to-medium distance 40Gbps requirements. Commonly deployed in financial institutions, cloud providers, and enterprise data centers where performance and reliability are paramount.