Z690 PCIe slot question

PCIe vs : What's the Difference and Which Is Better pcie 3 slot x8 bandwidth for your primary PCIe slot if you ever wish to use the secondary slot We realize a lot of people leave the second PCIe x16 pcie 4 ssd in pcie 3 slot PCIE x2USB I2CDisplayPort x4, WiFiBluetoothWWAN B, 2230, 2242, 2260, 2280, 3042, 22110, PCIe x2USB USB AudioPCMIUMSSICI2C, SATAPCIe

pcie slot configuration gen1 gen2 gen3 I believe both slots are generation 3 because chapter 1 of the manual indicates that HP only offered Gen 3 NVMe SSD's in the model series and