The JBX05377 1-meter Cisco-compatible 40GBASE-CR4 QSFP+ active direct attach copper cable represents the ideal solution for organizations requiring high-bandwidth, low-latency network connectivity in data center and enterprise environments. Product Overview: This premium-grade active DAC cable is manufactured to exacting standards and delivers consistent 40GB performance over short-to-medium distance connections. The cable's compact 1-meter length makes it particularly suited for densely-packed server rack configurations where space efficiency is critical. Technical Specifications: • Data Rate: 40GB (40GBASE-CR4) • Cable Length: 1 meter • Connector Type: QSFP+ to QSFP+ • Wire Gauge: 30AWG twinax • Form Factor: QSFP+ active direct attach • Standards Compliance: IEEE 802.3ba, SFF-8436 • Environmental Certifications: RoHS, TUV, UL • Operating Temperature: 0°C to 70°C (32°F to 158°F) • Warranty: 90-day limited warranty Key Advantages: Active DAC technology eliminates the need for separate QSFP+ transceivers, reducing infrastructure costs while maintaining reliability. The 30AWG copper twinax construction provides superior signal integrity and minimal signal attenuation over the 1-meter distance. This cable is fully compatible with Cisco networking equipment and replaces OEM part number QSFP-H40G-ACU1M. Applications: Ideal for high-performance computing clusters, cloud infrastructure, virtualized environments, and storage area networks. The cable excels in switch-to-switch, server-to-switch, and switch-to-storage configurations where rapid data transfer is essential. Quality Assurance: Manufactured in Vietnam and China with rigorous quality control. RoHS and ELV compliance ensures environmental responsibility. Every cable undergoes testing to IEEE 802.3ba specifications, guaranteeing optimal performance and durability. Value Proposition: Offer free standard shipping on orders exceeding $99, making this enterprise-grade connectivity solution accessible to growing organizations. Ships from multiple US locations (Danville, CA and Beaufort, SC) ensuring rapid delivery. Custom brand programming available for OEM partnerships.