X5381A Sun 2.40GHz 6MB L3 Cache Socket F AMD Opteron 2431 6-Core Processor for Fire X4140 / X4240 Server

The X5381A is a Sun‑branded AMD Opteron 2431 processor designed for enterprise server environments, featuring a 2.40 GHz clock speed and a six‑core architecture that delivers balanced performance for multi‑threaded workloads. It incorporates a 6 MB L3 cache to improve data access latency and utilizes the Socket F interface, ensuring compatibility with Sun Fire X4140 and X4240 server platforms. This processor serves as a direct replacement or upgrade component for these specific server models, offering reliable operation within the intended hardware ecosystem while maintaining the original specifications outlined by the manufacturer.