I have owned Ez-Flash IV (black microsd model) for many years, usually playing games so small I have just used PSRAM for playing. I still have the old kernel which requires software and save update to move games to ez-flash.
Now that my kickstart-backed Goodboy Galaxy has released, it needs the...
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi