<Tr> <Th> Units sold </Th> <Td> See Sales section . </Td> </Tr> <Tr> <Th> Units shipped </Th> <Td> See Sales section . </Td> </Tr> <Tr> <Th> Media </Th> <Td> S and X model: UHD Blu - ray All models: Blu - ray, DVD, CD </Td> </Tr> <Tr> <Th> Operating system </Th> <Td> Xbox One system software </Td> </Tr>

When did the ps4 and xbox one come out