<P> Surface Book was announced at the Windows 10 Devices Event by Microsoft at October 6, 2015, alongside the Surface Pro 4 . It was available for a pre-order the following day and was released and shipped to customers beginning on October 26, 2015 . </P> <P> When unveiling the Surface Book to the press, Panos Panay, corporate vice president for Surface Computing at Microsoft, initially presented the device as being a laptop (using part of a promotional video which shows the screen remaining attached to the keyboard base) and positioned it as a competitor to the MacBook Pro, before revealing its true nature as a hybrid device by showing the rest of the video where the screen is revealed as detachable and compatible with the Surface Pen . </P> <P> On October 26, 2016, Microsoft announced an updated Surface Book with a new Nvidia GeForce GTX 965M GPU and additional battery life over the original model . </P> <P> On October 17, 2017, Microsoft revealed the successor to the Surface Book, the Surface Book 2 </P>

What nvidia card does the surface book have