Socket AM3 is a CPU socket designed by AMD for their processors. Introduced in 2009, it supports both AMD Phenom II and AMD Athlon II series CPUs. This socket allows for better performance and energy efficiency compared to its predecessor, Socket AM2. The Socket AM3 features a 941-pin layout and is compatible with DDR2 and DDR3 memory types. It supports various technologies, including AMD's Cool'n'Quiet for power management. This versatility makes it a popular choice for budget and mid-range desktop systems during its time.