The 445974-B21 is an HP‑branded AMD Opteron 2354 quad‑core processor designed for high‑performance server and workstation platforms. Operating at a clock frequency of 2.20 GHz, the chip delivers four processing cores and utilizes a 1000 MHz front‑side bus to connect with compatible chipsets. It incorporates a 2 MB L3 cache to improve data access latency and is built for the Socket F (1207) package, ensuring compatibility with systems that support this socket type. This processor is suited for workloads that require reliable multi‑threaded performance within enterprise or data‑center environments.