AMD Opteron is a line of server and workstation processors developed by AMD (Advanced Micro Devices). Launched in 2003, Opteron was notable for its 64-bit architecture, allowing it to handle larger amounts of memory and improve performance for demanding applications. The Opteron processors are designed for multi-core configurations, making them suitable for data centers and enterprise environments. They support various virtualization technologies, enabling multiple operating systems to run on a single physical server, which enhances resource utilization and efficiency.