The AMD SB850 is a southbridge chipset designed to complement AMD chipsets, particularly for the AM3 and AM3+ platforms. It was released in 2010 and is part of AMD's 8-series chipsets. The SB850 offers various connectivity options and storage features. It supports up to six SATA 6Gbps ports, allowing for faster data transfer rates with compatible storage devices. Additionally, the chipset supports RAID configurations for improved data protection and storage performance. The AMD SB850 was well-regarded for its advanced storage capabilities and compatibility with AMD processors, contributing to efficient and reliable performance in desktop systems.