Magic Cd Burner I/o Magic 20x Dvd Burner?

I/o magic 20x dvd burner? - magic cd burner

my computer tells me I need a high speed interface to work faster, where can I get it? It also says theres error.i bought a camera, because my CD-ROM, and whose work can be found where the software.all have communicated with the driver CD and Nero, I do not need to download cd's. why an error message when you try to open it, the downloading Nero now.will work for downloads?