Asus has a dual-DIMM version ... a maximum of 192GB of memory. A single HDMI port supports the on-board graphics capabilities up to 4K at 60 Hz. The motherboard has a single PCIe 4.0 x16 SafeSlot ...
Intel proposes a setup that breaks a laptop motherboard into three pieces (instead of the usual all-in-one approach), with sub-boards on the left and right (where your USB and HDMI ports go ...