The HP part number 655520-L21 is an AMD Opteron 6220 processor designed for integration into the HP ProLiant DL585 G7 server platform. It features an eight‑core architecture built on the Socket G34 interface, delivering a base operating frequency of 3.00 GHz. The processor incorporates a 16 MB L3 cache to support data‑intensive workloads and operates with a 6.4 GT/s interconnect speed, facilitating high‑throughput communication between the CPU and system components. This configuration provides a balanced combination of core count, clock speed, and cache capacity suitable for demanding server applications.