SFF-8654 x4 to PCIe x16 Slot Expansion

SFF-8654 x4 to PCIe x16 Slot Expansion pcie x1 in x16 slot Beim P5N-Sli liegt dann die Karte die in den x1 soll direkt unter dem Lüfter der Dual Slot Graka, das ist nicht allzu top, da er der Graka pcie slot for gpu Install a low profile video card into a system with only a x1 PCIe slot • Install x4 or larger PCIe cards into a system with only x1 PCIe slots available

pcie slot for gpu I see various mobos with, for example, 'half-length' PCIe x16 slots But this is a contradiction in terms A PCIe x16 slot by definition is

pcie expansion slot Intel no longer supports PCIe x1 controller cards plugged into PCIe x16 slots starting from the Alder Lake desktop PCs, which are HP G9 platforms  x1 male 90° angled to x1 slot 90° angled with cable 60 cm Item No : 88043 88047 Delock Riser Card PCI Express x1 male to x16 slot with cable 20 cm