518860-L21 HP AMD Opteron 6174 12 Core 2.2GHz 12MB L3 Cache 6400MHz FSB Socket-G34 LGA1974 45NM 80W Processor

The 518860-L21 is an HP‑branded AMD Opteron 6174 processor designed for high‑performance server environments. It features twelve physical cores operating at a base frequency of 2.2 GHz and a 12 MB shared L3 cache, providing ample bandwidth for multi‑threaded applications. The chip utilizes a 6400 MHz front‑side bus and conforms to the Socket G34 (LGA1974) socket standard, ensuring compatibility with a range of HP and third‑party server platforms. Manufactured on a 45 nm process, the processor has an 80 W thermal design power, balancing energy efficiency with the computational demands of demanding workloads.