The 500042-B21 is an HP-branded AMD Opteron 2384 quad‑core processor engineered for the ProLiant BL495c G5 server platform. Operating at a base frequency of 2.70 GHz, this CPU incorporates a 6 MB Level 3 cache to support efficient data handling and reduce memory latency. Designed to integrate seamlessly with HP’s ProLiant BL495c G5 chassis, the processor delivers robust multi‑threaded performance suitable for enterprise workloads, virtualization, and data‑center applications that require reliable, high‑throughput processing within a tightly integrated server environment.