1050ti GPU only lines up with pcie x4 slot - what will happen?

‎Aurora R13, PCIe x4 slot not working? pciex4 slot Aurora R13, PCIe x4 slot not working? So, this is following up on the Elgato 4K60 capture card not showing up when installed on the top slot romania However, the 2nd PCIe x16 slot works at PCIe x4 if two GPU are connected means the primary PCIe x16 slot gets 16 lanes and I still have 4 lanes

joker jackpot slot 2 Key M 2280 with PCIe x4 NVMe SSD slot; 1 x Micro SD slot Expansion 1 x MIPI CSI-2 connector ; 1 x Full-size PCI