Need help with future upgrades

[Chiakuu]

I have a Corsair Carbide SPEC-01 with a MSI A78M-E35 V2 inside it. I have a one slot WIFI card already in the PCIe 1x slot, and want to upgrade to a dedicated graphics card eventually (something like a GTX 1050ti). Is that possible? I looked inside the case, and the WIFI card seems to leave only 1 PCI expansion slot open for the dual slot graphics card. Would it fit if i used a 1x extender to move the WIFI card down some slots? Would it fit if I used a 16x extender to move the GPU instead? Would it just fit if I slot it in? I don't want to waste a bunch of money on a GPU that wouldn't fit.  Never put a dedicated GPU in a computer before... Thanks in advance!