Only one proof-of-concept pair exists; it's a 35th-anniversary SNES tribute, not for sale. Stop me if I'm sounding crazy here ...

AMD's SCU35 Evaluation Kit is an affordable ($229) development board powered by the AMD Spartan UltraScale+ SU35P FPGA device ...

But the new model has another trick up its sleeve: run a ribbon cable from the FPC port on the Raspberry Pi 5 to the new adapter board and you also get an M.2 connector that you can use for a PCIe ...