Laptop Dell Precision 5520, Intel Core i7 7820HQ 2.9 GHz, nVidia Quadro M1200 4 GB GDDR5, WI-FI, Bluetooth, WebCam, Display 15.6" 3840 by 2160 4K TouchScreen, Grad B, 16 GB DDR4; 128 GB SSD M.2; Windows Optional, Second Hand