Ideal for updating software/programs during writing, programming and developmental stages. These discs hold up to 700MB of data or upto 80 minutes of audio whilst having a recording speed of up to 4x compatibility. The rewritable format allows for erasing and re-recording of data up to 1000 times. Can be applied across a wide range of multimedia uses. Compatible with Multi-read CD-ROM drivers or the machine they were recorded in. Please check your user manual for compatability.