The Compaq 349616-B21 is a backplane cable assembly designed for ProLiant server systems. This component facilitates internal connectivity between server backplanes and peripheral modules, supporting standard enterprise server architectures. Compatible with select Compaq and HPE ProLiant generation servers that utilize this specific backplane interface standard. The cable assembly ensures reliable power and data signal distribution within the chassis, critical for multi-slot configurations and modular component communication. Typical applications include SAN environments, high-density compute clusters, and mixed storage-compute deployments where stable internal connectivity is essential for system stability and hot-swap operations. Tested and guaranteed; available via quote.