1 additional PCI-Express x1 slot is needed

All the Z690 motherboards are based on a similar layout with 3 full sized PCI-E slots Supports up to PCIe x4 & x1 But they are the

Similarly, an x1 card can operate in any PCIe slot Sometimes, a PCIe slot Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8 connection

pcie 4 gpu in pcie 3 slot PCIe X1 slots- I am putting in 4 sound cards!! And not once addressed the issue that if you populate the second X16 slot you get two X8 Now

pcie slot function PCIe x1: This is the smallest PCIe slot and has a single lane for data communication PCIe x1 slots are often used for less demanding expansion cards, such as