The JBX06411 0.5m NVIDIA Mellanox Compatible 25GBASE-CR SFP28 Passive Direct Attach Copper Cable represents professional-grade networking infrastructure designed for enterprise data center deployments and high-performance computing environments. Technical Specifications: This passive DAC cable operates at 25 gigabits per second, meeting IEEE 802.3by specifications with strict compliance to SFF-8402 and SFF-8472 standards. The 30AWG twinax copper construction provides optimal impedance matching and signal integrity, while the compact 0.5-meter length makes it ideal for switch-to-server or inter-switch connections in dense networking topologies. Compatibility & Integration: Fully compatible with NVIDIA Mellanox networking equipment, this cable serves as a direct replacement for OEM part numbers including 980-9I63W-00A00A, MCP2M00-A00A, and MCP2M00-A00AE30N. The SFP28 to SFP28 connector configuration ensures seamless integration with existing infrastructure without requiring additional adapters or converters. Quality & Certification: Manufactured to the highest standards with RoHS/ELV compliance and certified by both TUV and UL, this cable meets stringent safety and environmental requirements. The plastic jacketing protects against mechanical damage while maintaining flexibility for installation in tight spaces. Operating temperature range of 0-70°C accommodates diverse data center environments. Value Proposition: As a passive DAC solution, this cable eliminates the power consumption and heat generation associated with active alternatives, reducing operational costs while improving network reliability. The 90-day limited warranty provides peace of mind, and free standard shipping on orders over $99 adds value to your purchase. Applications: Ideal for modern data centers, cloud computing infrastructure, high-performance computing clusters, network storage systems, and enterprise switching environments requiring reliable 25GB connectivity. The short 0.5-meter length is particularly valuable in densely populated switch environments where space is at a premium. Shipped from distribution centers in Danville, CA and Beaufort, SC, this cable is readily available for rapid deployment to support your network infrastructure needs.