CD: Digital Sound- or data carriers with a storage capacity of up to 800 MB.
Diameter: 120mm, Thickness: 1,2mm, Track Pitch: 1,6µm. Audio CDs are written and read at a constant speed of 530 rpm. Each sector has 2 kbytes here. There are 75 sectors. This results in a Data rate of 150 kByte/s for a single speed drive. The average access time is 120 ms on average.
