Specification B450M MORTAR | MSI Global -

msi slotM.2 XPANDER-Z SLIDER GEN5 is a PCIe 5.0 x8 interface add-on card that supports 2 M.2 slots at 2280-sized M.2 SSDs. ... MSI keepsWindows 11 Home (MSI recommends Windows 11 Pro for business.) Windows 11 Pro: Windows 11 Home (MSI recommends Windows 11 Pro for business.) ... 2 Slots DDR4-3200 Max 64GB: