HPE 844477-B21 25Gb SFP28 to SFP28 3m Direct Attach Copper Cable

Detailed Specifications

The HPE 844477-B21 is a high-speed, passive direct attach copper (DAC) cable designed for reliable 25 Gigabit Ethernet connections in modern data center environments. It provides a straightforward and cost-effective solution for short-reach interconnectivity, primarily for linking servers to top-of-rack switches or for stacking switches within a rack. This cable is engineered to address the growing demand for bandwidth that exceeds the capabilities of 10GbE infrastructure. This passive assembly offers significant operational benefits by eliminating the power consumption and heat generation associated with active optical modules. Its design ensures extremely low latency, a critical factor for performance-sensitive applications. The cable's construction as a Twinax assembly provides robust signal integrity for 25Gbps data rates over a 3-meter distance, ensuring a stable and error-free connection between networking hardware. Engineered for simplicity and reliability, the cable features integrated SFP28 connectors that are hot-pluggable, allowing for seamless installation and maintenance without disrupting network operations. Its 3-meter length offers flexibility for connections within a standard IT rack or to adjacent equipment, making the HPE 844477-B21 an ideal component for building out high-density, high-performance network fabrics in a physically consolidated space.