【求助】 Ultra Speed CD-RW?

[tamader]

Does anyone know the difference between "Ultra Speed" CD-RW and "High Speed" CD-RW disc?

Is it possible that a drive can write to "High Speed" media but can not write to "Ultra Speed" meida?

Thanks a lot.

[kimdahk]

"10X" = "High Speed"
16X or 24X = "Ultra Speed"