Dell Precision 5510-2855 15.6" UHD Touch Workstation (Intel Core i7-6820HQ, 8GB RAM, 512 GB SSD, Windows 7 Pro) with NVIDIA Quadro M1000M Graphics 2.7 GHz Intel Core i7-6820HQ Quad-Core 8GB of 2133 MHz DDR4 RAM 15.6 Inch UltraSharp Multi-Touch Display Ultra HD 3840 x 2160 Screen Resolution