SOCKET: AM4, CHIPSET: AMD B550 Chipset, MEMORY CHANNEL: Dual, DIMM SLOTS: 4, MAX MEMORY (GB): 128, PCI-E X16: 2, PCI-E X1: 4, SATAIII: 6, M.2 SLOT: 1, RAID: 0/1/10, TPM (HEADER): 1, USB 3.2 PORTS (FRONT): 2(Gen 1, Type A), USB 3.2 PORTS (REAR): 2(Gen 2, Type A), 2(Gen 1, Type A). MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically.