The HP part number 654862-B21 is an AMD Opteron 6276 processor designed for enterprise server environments. It features sixteen physical cores operating at a base frequency of 2.3 GHz, providing substantial parallel processing capability. Both the L2 and L3 caches are sized at 16 MB, supporting rapid data access for demanding workloads. The processor utilizes a 3.2 GHz front‑side bus and is compatible with the Socket‑G34 platform, enabling integration into systems that require high memory bandwidth. With a thermal design power of 115 W, it delivers a balance of performance and power efficiency suitable for data‑center and virtualization applications.