iGPU: Intel HD Graphics 4000 built into the CPU, but it is disable if i boot the build with the eGPU turned on and connected 2012 Apple Mac Mini: Intel Core i7-3615QM 2,6Ghz, 16GB DDR3, 500GB SATA3 SSD only for Bootcamp Windows 10 (Thunderbolt 1 port) EveryMac link