The JBX05445 2m 40GBASE-CR4 QSFP+ Passive Direct Attach Copper Cable is a mission-critical networking component engineered for high-speed data center connectivity. This cable replaces HPE OEM part numbers 498385-B22 and AT096A, making it an excellent cost-effective alternative for enterprises looking to reduce networking infrastructure expenses without compromising performance. **Technical Specifications:** This passive DAC cable features copper connectors with 30AWG twinax construction, delivering 40GB data transmission speeds. The dual QSFP+ connectors enable direct connection between compatible HPE networking equipment. Measuring 2 meters in length, it provides optimal reach for standard rack-to-rack and switch-to-server configurations in enterprise data centers. **Performance & Compatibility:** Qualified to IEEE 802.3ba and SFF-8436 standards, this cable ensures reliable signal integrity for demanding network applications. The passive design eliminates the need for external power, reducing complexity while maintaining excellent performance across the 40GB spectrum. Fully compatible with HPE networking infrastructure, including switches and storage systems. **Durability & Compliance:** Constrcted with plastic jacketing over copper twinax, this cable withstands the rigorous demands of professional data center environments. Operating reliably from 0-70°C (32-158°F), it maintains peak performance across seasonal and operational temperature variations. RoHS, TUV, and UL certifications confirm compliance with international safety and environmental standards, including EU directive 2002/95/EC. **Value & Support:** With a 90-day limited warranty and custom brand programming available, this cable offers flexibility for enterprise deployments. Manufactured in Vietnam and China, it ships from Danville, CA and Beaufort, SC locations, with free standard shipping on orders exceeding $99. Whether upgrading legacy systems or deploying new infrastructure, this JBX05445 cable provides reliable, compliant, and cost-effective networking connectivity.