The 81Y7583 part is an IBM‑qualified AMD Opteron 6140 processor designed for the IBM x3755 M3 server platform. It features an 8‑core architecture operating at a base frequency of 2.60 GHz and incorporates a 12 MB L3 cache to support multi‑threaded workloads. The processor utilizes the Socket G34 interface and is rated for 6.4 GT/s data transfer rates, ensuring compatibility with high‑speed memory and I/O subsystems typical of enterprise server configurations. This component provides a reliable, scalable solution for demanding data‑center applications that require balanced compute performance and cache capacity.