<Tr> <Td> 6 × </Td> <Td> 66.48 Mbit / s </Td> <Td> 8.310 MB / s </Td> <Td> 9 min </Td> <Td> 54 × </Td> <Td> 24 ×--32 × </Td> </Tr> <Tr> <Td> 8 × </Td> <Td> 88.64 Mbit / s </Td> <Td> 11.080 MB / s </Td> <Td> 7 min </Td> <Td> 72 × </Td> <Td> 32 ×--40 × </Td> </Tr> <Tr> <Td> 10 × </Td> <Td> 110.80 Mbit / s </Td> <Td> 13.850 MB / s </Td> <Td> 6 min </Td> <Td> 90 × </Td> <Td> 32 ×--40 × </Td> </Tr> <Tr> <Td> 16 × </Td> <Td> 177.28 Mbit / s </Td> <Td> 22.160 MB / s </Td> <Td> 4 min </Td> <Td> 144 × </Td> <Td> 32 ×--40 × </Td> </Tr>

What is the difference between dvd-r and dvd+r recordable discs