The best option if on a tight budget would be just to get a GPU appropriate for the CPU. Although Ivy Bridge is pretty limited in IPC in this day and age, investing in convoluted PCIe adapters is just asking for headaches.
I was researching this topic a while back and concluded that the GameSir Cyclone 2 is it, at least for me.
Clicky buttons, TMR sticks, support for xinput on PC and switch. The only thing I wish it would have is adjustable stick tension like on...