I have both the 4gb Transcend class 6 and the 4gb Kingston class 4 and i dont notice a difference in usage. They both have fast random acess 512b results when using the speedtest homebrew on an acekard 2.1.
The transcend has better results averaging 0.56 against the kingston of 0.65
The transcend has better results averaging 0.56 against the kingston of 0.65