Why do RAM sticks need to be separated in the DIMM slots?

dimm 2 slot   Dan dimm slot

However, according to the hardware specifications for my laptop, there are only 2 x SODIMM slots available for use I have an additional 1TB SSD

List of Motherboards with 2 RAM Slots: ASRock B760M-H, ASRock H610MAC, ASRock B760M-HDV, ASRock H610M-HDV+ D5, ASUS ROG MAXIMUS Z790 APEX 32 DIMM slots with two processors Each processor has 8 memory channels, with 2 DIMMs per channel Lenovo TruDDR5 RDIMMs

777 slot machine meaning 1 DIMM means the RAM occupies one of the two slots on the computer 2 DIMMs mean that RAM both of the slots for memory in the notebook If 2 slot Please refer to PCIe Bandwidth Table for details Chipset - AMD B650 Memory - Dual Channel DDR5 Memory Technology