The BlueField-3 SuperNIC is a novel class of network accelerators based on the BlueField-3 networking platform, purpose-built for supercharging hyperscale AI workloads. Designed for network-intensive, massively parallel computing, the BlueField-3 SuperNIC provides up to 400Gb/s of remote direct-memory access (RDMA) over Converged Ethernet (RoCE) network connectivity between GPU servers, optimizing peak AI workload efficiency. Creating a new era of AI cloud computing, the BlueField-3 SuperNIC enables secure, multi-tenant data center environments with deterministic and isolated performance between jobs and tenants.