Intel HD Graphics 510/530 in processor, uses main memory, DirectX 12, one VGA, two DisplayPort, supports three independent displays, works along with discrete graphics to support more displays;
Max resolution: 4096×2304 (DP)@60Hz; 1920×1200 (VGA)@60Hz
Some: NVIDIA Quadro K420, DirectX 12, 2GB, PCIe 2.0 x16 adapter, one DVI-I, one DisplayPort, 41 watts; Max resolution: 3840×2160 (DisplayPort)@60Hz; 2560×1600 (DVI-I)@60Hz
Some: NVIDIA Geforce GT 720, DirectX 12, 2GB, PCIe 2.0 x8 adapter, one VGA, one HDMI, 25 watts; Max resolution: 1920×1080 (HDMI)@60Hz; 2048×1536 (VGA)@85Hz
Some: NVIDIA Geforce GT 720, DirectX 12, 1GB, PCIe 2.0 x8 adapter, two DisplayPort, 25 watts; Max resolution: 3840×2160 (DisplayPort)@60Hz;