Microsoft Surface Pro 4 Core i7-6600U 16GB 512GB 12.3 touch screen w/ 2736x1824 3K 3:2 QHD Windows 10 Pro (Light Blue Cover, Dock Bundle) GPU/VPU: Intel HD Graphics 520 Part Number: TH4-00001 CPU FSB: 2133 Mhz Number of Cores: Dual-core Processor CPU L2 Cache: 4MB CPU L3 Cache: 4 MB Tech: 64-bit CPU Support: 3 MB Smart Cache