maximus slotthe 2 samsung M.2 SSDs are both 80mm, so they can be installed on slot 2 m.2, slot 3 m.2 , or slot 4 Dimm.2.Intel ® Z790 LGA 1700 ATX motherboard with 24 + 0 power stages, DDR5 memory support, five M.2 slots, PCIe ® 5.0 M.2 Card with a PCIe 5.0 NVMe ® SSD slot, two PCIe 5.0