2 dimm slots - Mainboard ASUS TUF GAMING B760M-E D4 | Intel B760, Socket 1700 ... asia 888 slot

4 x DIMM slots, Max. ... 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports.

Buy StoneStorm Q670 8-Bay NAS Mini ITX Motherboard(LGA1700, 12th/13th/14th Gen. Desktop Processor), 2*U-DIMM DDR5 MAX 64G, 3*M.2 NVMe, 8*SATA, i226-LM 2.5G ...

And why do the DIMM slots even matter when it comes to your computer and its overall performance? ... Instead, it is purely proprietary and for the use of ASUS motherboards together with ASUS M.2 cards that should perfectly fit the DIMM.2 slot.