The JBX06374 4m 25GBASE-CR SFP28 Passive Direct Attach Copper Cable represents the ideal connectivity solution for organizations deploying NVIDIA Mellanox infrastructure in demanding data center and enterprise environments. This purpose-built twinax cable delivers robust 25 Gbps performance across short-reach connections with exceptional reliability and minimal latency. **Technical Specifications & Performance** Constructed with 26AWG copper conductors and professional-grade plastic jacketing, this passive DAC cable eliminates active components, reducing power consumption and heat generation—critical advantages in densely packed server racks. The cable fully qualifies to IEEE 802.3by specifications and implements SFF-8402 and SFF-8472 standards, ensuring compatibility with next-generation NVIDIA Mellanox switching and adapter infrastructure. **Compatibility & Integration** This cable directly replaces OEM part numbers MCP2M00-A004, 980-9I63T-00A004, and MCP2M00-A004E26L, providing seamless integration into existing Mellanox deployments. The SFP28-to-SFP28 connector configuration ensures plug-and-play installation without requiring firmware updates or configuration changes. **Reliability & Compliance** Manufactured in Vietnam and China under rigorous quality control, this cable maintains RoHS and ELV compliance per EU Directive 2002/95/EC. Safety certifications include RoHS, TUV, and UL standards, providing assurance of durability and environmental responsibility. Operating temperature range of 0-70°C (32-158°F) supports standard data center climates. **Cost-Effective Enterprise Deployment** Passive DAC technology eliminates module costs associated with active solutions, delivering superior total cost of ownership without compromising performance. The 4-meter length accommodates typical switch-to-server and server-to-storage configurations. **Support & Warranty** Backed by a 90-day limited warranty and available with custom brand programming, this cable integrates seamlessly into enterprise procurement and asset management systems. Free standard shipping on orders exceeding $99 reduces acquisition costs further, making this an economical choice for large-scale deployments.