The JBX06045 4-meter 10GBASE-CR SFP+ Passive Direct Attach Copper Cable represents an essential solution for modern data center and enterprise networking infrastructure. This passive DAC cable eliminates the need for active electronics, reducing power consumption and heat generation while maintaining superior performance. **Key Features & Specifications:** Constructed with premium 24AWG twinax copper conductors, the JBX06045 delivers reliable 10GB data transmission at distances up to 4 meters. The cable features SFP+ to SFP+ connectors and is fully compatible with Cisco networking equipment, supporting the 10GBASE-CR standard. Operating across a temperature range of 0-70°C, it maintains consistent performance in various environments. **Standards & Compliance:** Qualified to IEEE 802.3ae, SFF-8431, and SFF-8472 specifications, this cable meets stringent industry standards. It carries RoHS, TUV, and UL certifications, ensuring environmental compliance and safety. The EU RoHS Directive 2002/95/EC compliance makes it suitable for European markets. **Compatibility & Replacement:** Directly compatible with Cisco platforms, the JBX06045 replaces OEM part numbers including SFP-H10GB-CU4M, MA-CBL-TA-4M, and CBL-TA-4M, making it an ideal cost-effective alternative to original equipment manufacturer cables. **Applications:** Perfect for server-to-switch connections, storage area networks (SANs), and high-speed data center interconnections, this cable provides exceptional value for enterprises seeking reliable, low-latency 10GB connectivity without the expense and power requirements of active solutions. **Warranty & Support:** Backed by a 90-day limited warranty, the JBX06045 ensures peace of mind. Free standard shipping on orders over $99, with rapid fulfillment from strategically located distribution centers in California and South Carolina.