Socket AM3 refers to an AMD processor socket used in motherboards to accommodate specific AMD processors. It succeeded the Socket AM2+ and supported AMD CPUs utilizing DDR3 memory. The socket was compatible with a range of processors including Athlon II, Phenom II, and Sempron CPUs. It provided features like HyperTransport 3.0 technology for improved communication speeds between the CPU and other system components. Socket AM3 also allowed backward compatibility with some AM2+ processors, making it a versatile choice for users looking to upgrade while maintaining compatibility with existing hardware. However, it has been succeeded by newer sockets like AM3+ and AM4 in subsequent AMD processor