The HP part number 383391‑B21 identifies a dual‑core AMD Opteron 875 processor designed for enterprise server and workstation environments. Operating at a clock frequency of 2.20 GHz, the chip delivers balanced performance for multi‑threaded workloads while maintaining power efficiency. A 2 MB L2 cache provides rapid data access to support demanding applications such as virtualization, database management, and scientific computing. Built to integrate with HP server platforms, the processor leverages AMD’s 64‑bit architecture and industry‑standard socket compatibility, offering reliable scalability and longevity for mission‑critical deployments.