The 663381-L21 is an HP‑specified AMD Opteron 6220 processor designed for integration into the ProLiant DL165 G7 server platform. It features eight physical cores operating at a base frequency of 3.00 GHz, delivering balanced performance for demanding workloads. The CPU utilizes a Socket G34 interface and communicates over a 6.4 GT/s bus, ensuring efficient data transfer within the system. A 16 MB L3 cache provides rapid access to frequently used data, enhancing overall throughput. This processor combines multi‑core capability, solid clock speed, and ample cache to support enterprise applications and virtualization tasks in a reliable server environment.