Yeah, I got the 4gb TopRam card on EBAY. I contacted TopRam directly - and was told that only vendors on EBAY sold the 4gb version.

I had such good luck with the 2gb version that I felt TopRam was a good company.

The 4gb card works well. But periodically after about a month of extensive use, I usually have to reformat and start over. Either a file gets corrupt, or they all do. So I backup to my computer regularly. The generic card I first got didn't work even this well.

Unlike the generic, the TopRam never seems to get TOTALLY unusable. The generic got corrupt as soon as I went over 2gb.