<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Surface Pro 4 is the fourth - generation Surface - series 2 - in - 1 detachable, designed, developed, marketed, and produced by Microsoft . The Surface Pro 4 was announced on October 6, 2015 alongside the Surface Book . In the U.S. and Canada, the Surface Pro 4 was released on October 26, 2015 . </P> <P> The Surface Pro 4 is an update over its predecessor, featuring Skylake CPUs, more RAM and SSD options and a 12.3 - inch display with a greater resolution . At the same time, the device is compatible with most of its predecessor's accessories . </P>

When did the surface pro 4 come out