You should try these, but you will be the goat in trying it out. They look promising, looks like an exact copy of the buffalo, the only comment says it's higher quality.

https://www.amazon.com/ELECOM-USB-Gamepad-for-PC/dp/B01N6YXQC0/ref=sr_1_1?ie=UTF8&qid=1492098592&sr=8-1&keywords=elecom+snes+usb