The JBX05350 1.5m 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable represents an ideal solution for organizations seeking reliable, cost-effective high-speed networking infrastructure. This premium cable is specifically designed for Brocade-compatible equipment, making it an excellent upgrade or replacement option for existing deployments. **Technical Specifications & Performance:** Built to IEEE 802.3ba and SFF-8436 standards, this cable delivers consistent 40GB data rates essential for modern data center operations. The 30AWG twinax copper construction provides optimal signal integrity while maintaining flexibility for installation in tight spaces. The 1.5-meter length offers versatility for various rack configurations and equipment spacing scenarios. **Key Features & Benefits:** Passive DAC technology eliminates the need for external power, reducing complexity and energy consumption. RoHS, TUV, and UL certifications ensure compliance with international safety and environmental standards. The cable's robust plastic jacketing protects against damage and interference. Compatible with Brocade network equipment, it directly replaces OEM part number 40G-QSFP-C-0151. **Operational Advantages:** With an operating temperature range of 0 to 70°C, this cable performs reliably in diverse data center environments. Superior copper construction ensures minimal signal loss, critical for maintaining network performance in high-bandwidth applications. The straightforward QSFP+ to QSFP+ connector design enables quick installation and reconfiguration. **Target Applications:** Perfect for server-to-switch connections, switch-to-switch interconnections, and storage area network (SAN) implementations. Ideal for organizations upgrading infrastructure without replacing existing Brocade equipment. Supports bandwidth-intensive applications including virtual machine migration, backup operations, and real-time data analytics. **Warranty & Support:** Every cable includes a 90-day limited warranty, providing peace of mind. Custom brand programming is available for organizations requiring specialized identification. Ships from multiple U.S. locations (Danville, CA and Beaufort, SC) with free standard shipping on orders exceeding $99. **Why Choose JBX05350:** This cable delivers enterprise-grade performance at competitive pricing. The combination of proven passive DAC technology, comprehensive certifications, and Brocade compatibility makes it the intelligent choice for network professionals prioritizing reliability and value.