I recently bought a 16GB Corsair Padlock2 secure memory stick, and the first unit was DOA. I did a RMA, and the replacement has been fine. I think that the fi

I recently bought a 16GB Corsair Padlock2 secure memory stick, and the first unit was DOA. I did a RMA, and the replacement has been fine. I think that the first got damaged during shipping. I had also bought a 4GB PNY memory stick a few months ago that would corrupt data. I detected it because I was PGP-encrypting the contents, but the signature would not verify upon copying to another machine. I tried several times, then reformatted several times, then tried a few more times before returning the stick for a replacement (in-store return this time). I have had about a dozen sticks otherwise that seem to work perfectly, but I don't really trust them. I also use Dropbox (love, love, love it), several external USB drives, and a NAS for backups.