There’s basically 3 grades of USB Saturn Pad:
Grade 1. SLS (Sega Limited Service), limited Edtion around 1000 made, released in 2004, USB PC controller. That’s what you are getting. Was a rare as fuck controller, expensive (over 100$ easily after market), and got even more saught after with the PS3 releasing (200$+ controller around 2007-2008). Which lead to the release of:
Grade 2. SLS Knockoff (2009). These are more common, but rare nowadays. These are not bad, in fact, they are quite good. I can tell just by feel, but most people are fooled by this, and rightfully so it’s a good controller. However, they are known to break. These flooded the market in 2009 and were quickly gone. I’ve seen them fetch over a 150$ on ebay as recently as a month ago.
Good luck finding either of these. Anywhere. Your best bet is to go to a tournament and beg someone to buy theirs. And it’s probably all greasy and beat up. Mines damn near mint, and I take care of my shit, have ocd and wash my hands and shit, and noones hands have ever touched this but my own (ask anyone who knows me how insane I am about this sort of thing lol).
Grade 3: Anything else. If you go to Ebay nowadays they are flooded with this awful knockoff made by a company called Retrolink. It’s horrible. Total trash. That’s pretty much it.
I didn’t think I needed to post this but I initially got a pretty insulting low ball offer so I wanted to make sure people were educated on exactly what they are getting themselves into. Hope this post was helpful and feel free to correct me if I’m wrong somewhere I have been scene-absent for close to 6 months so I admit I’m out of the loop when it comes to a lot of things lately :S