397820-B21 HP 2.8GHz 1000MHz FSB 1MB L2 Cache Socket 940 AMD Opteron 854 Processor for ProLiant BL45P Blade Server

The HP 397820-B21 is an AMD Opteron 854 processor designed for the ProLiant BL45P blade server. It operates at a base frequency of 2.8 GHz and is coupled with a 1000 MHz front‑side bus to provide efficient data transfer between the CPU and memory. The processor features a 1 MB L2 cache, which helps reduce memory latency and improve overall performance. It is built for Socket 940, ensuring compatibility with the ProLiant BL45P platform. This component is ideal for workloads that require a reliable, high‑throughput processing solution in a blade‑server environment.