HP Pro Slate 8 official Pictures. HP Pro Slate 8 is a Smartphone of hp. The HP Pro Slate 8 Android Tablet. Announced Jan 2015. Features 7.86″ Display, Snapdragon 800 Chipset, 8 MP Primary Camera, 2 MP Front Camera, 5900 MAh Battery, 32 GB Storage, 2 GB RAM, Corning Gorilla Glass 4. HP Pro Slate 8 price starts.