The JBX05337 0.5-meter QSFP+ passive direct attach copper cable represents a premium solution for high-speed network infrastructure requirements. Designed specifically for 40GBASE-CR4 applications, this Intel-compatible cable delivers exceptional 40Gbps performance, making it ideal for data centers, server farms, and enterprise networking environments where speed and reliability are paramount. CONSTRUCTION AND MATERIALS Manufactured with premium 30AWG twinax copper conductors, this DAC cable ensures optimal signal integrity and reduced crosstalk. The copper connectors and plastic jacketing provide excellent durability while maintaining flexibility for routing through dense equipment racks. The passive design eliminates the need for power-hungry active components, reducing operational costs and heat generation—critical factors in power-constrained data center environments. COMPLIANCE AND CERTIFICATIONS Fully qualified to IEEE 802.3ba and SFF-8436 specifications, the JBX05337 meets stringent industry standards for high-speed ethernet applications. RoHS and ELV compliance ensures environmental responsibility, while TUV and UL safety certifications provide confidence in deployment. The cable adheres to EU directive 2002/95/EC, making it suitable for global deployment. PERFORMANCE CHARACTERISTICS With a 0.5-meter length, this cable is purpose-built for short-distance connections between adjacent switches, servers, and network equipment. The passive topology eliminates latency concerns inherent in active solutions, delivering transparent 40Gbps throughput. Operating temperature range of 0-70°C accommodates diverse deployment scenarios from climate-controlled data centers to challenging edge locations. APPLICATIONS AND USE CASES Ideal for server-to-switch interconnections, switch-to-switch uplinks, and storage area network (SAN) connectivity. The compact 0.5m length reduces cable clutter in high-density racks, improving airflow and maintenance access. Compatible with Intel networking infrastructure, it seamlessly integrates into existing enterprise deployments. Replacement Flexibility Direct replacement for OEM part numbers XLDACBL050CM and CBL1-0600H30, the JBX05337 offers superior value without vendor lock-in. Custom brand programming is available for partners requiring white-label solutions. With a 90-day limited warranty and free standard shipping on orders exceeding $99, this cable provides exceptional value for IT procurement teams seeking reliable, cost-effective high-speed connectivity solutions.