The 407660-B21 kit is a genuine HP component that supplies an AMD Opteron 885 dual‑core processor, operating at 2.60 GHz and featuring a 2 MB L2 cache. Designed for Socket 940, this processor is engineered specifically for integration into HP ProLiant DL585 servers, ensuring proper fit and compatibility with the platform’s architecture. The kit includes the necessary hardware to install the dual‑core CPU, providing a reliable upgrade path for systems that require the performance characteristics of the Opteron 885 while maintaining adherence to HP’s quality standards. This offering is suitable for data‑center or enterprise environments where stable, server‑grade processing is essential.