The IBM part number 25R8963 is a dual‑core AMD Opteron 285 processor designed for Socket 940 platforms. Operating at a clock speed of 2.6 GHz, each core is supported by a 1 MB L2 cache, providing a combined 2 MB of on‑chip cache to improve data access latency. This configuration is suited for enterprise‑class servers and workstations that require reliable multi‑threaded performance within the AMD Opteron family. The processor’s socket compatibility ensures straightforward integration into existing systems that already support Socket 940, facilitating upgrades or replacements without extensive hardware redesign.