B840

The AMD B840 is a chipset designed for the AM5 socket and AM5 platform. It provides a total of 12 PCIe lanes from the chipset, all supporting the PCIe 4.0 specification. Additionally, it includes 4 SATA III ports for storage connectivity. As a chipset, the B840 serves as the central hub for I/O and expansion on AM5 motherboards. It is intended for use with AMD AM5 processors, facilitating communication between the CPU, memory, storage, and peripheral devices. The B840's PCIe 4.0 lanes enable high-bandwidth connections for compatible expansion cards and NVMe SSDs, while the SATA III ports support traditional SATA drives. This chipset is positioned for mainstream builds within the AM5 ecosystem.