DDR4 ram won't fit into DDR4 motherboard ?!

How to Install and Setup DDR5 and DDR4 RAM in a PC slot ddr4 16GB DDR4 RAM expandable upto 24GB using 1x DDR4 SO-DIMM slot; Storage: 512GB NVMe PCIe SSD; Graphics: NVIDIA slot maken No, you can't use DDR3 on a board that has DDR4 memory slots only They won't fit and won't work

slot attack Memory Specifications · Max Memory Size 192 GB · Memory Types Up to DDR5 4800 MTs Up to DDR4 3200 MTs · Max # of Memory Channels 2