MANO540: a Mini ITX board with full height PCIe x16 slot

I explain in this video the Types of PCIe slots, how you can identify them, and also what their

PCIe , HL, HH, x16, 16, 8, 4, 1 GPU can be supported only in slot 1 FL, FH=Full length, full height HL, HH=Half length, half height Slot 3 is

pcie slot width PCIe Slots · A PCIe slot that supports a full-height full-length PCIe card also supports a full-height half-length or half-height half-length

pcie slot sizes The backplane is designed for installation in the frame of a computer housing, so that over 3x slots also PCIe slot cards in full height can be