This EVGA Z390 Dark motherboard puts its RAM slots parallel with ...
This EVGA Z390 Dark motherboard puts its RAM slots parallel with the top of your chassis.
List of Motherboards with 4 RAM Slots
I have a somewhat old motherboard with 64 gigs of ram, and i was talking about this on tf2, and someone called me a shitter for only having 2 ram slots and said he had 4 slots or RGB ram and a 5090.
4 RAM Slots Motherboard | Pangoly
Below is an example of the MSI Creator TRX40 motherboard that has a layout similar to most other motherboards with 8 RAM slots.