MSI 2025

msi slotB key slot for ‘B’Key card (also known as Socket 2) (SATA) M key slot in ‘M’Key card (also known as Socket 3) (PCIe x 4) B+M Key cassettes are available for both cassette slots. Check HDD and SSD support specifications.Best AMD AM4 B550 MATX motherboard, lhtning PCIe 4.0, lhtning M.2, USB 3.2 Gen 1, M.2 heatsink, wifi AC, powerful overclocking, MSI