Lenovo Thinkpad P50 15.6-inch Laptop (2.8 GHz Intel Xeon Processor, 16GB RAM, 256GB M.2 SSD, NVIDIA Quadro M2000M (4GB), Windows 7 Pro 64-bit) Intel Xeon E3-1505M v5 Quad-Core Processor (4 cores, 2.8 GHz up to 3.70 GHz, 8MB SmartCache) with vPro Technology Nvidia Quadro M2000M 4GB GDDR5 | 256 GB SSD M.2 Opal2 | 16GB DDR4 (MAX 32GB) 15.6" FHD (1920x1080) IPS | Backlit Keys | FingerPrint Reader Thunderbolt 3 Type-C | 4xUSB3.0 | RJ-45 | Mini DisplayPort | HDMI Pre-installed Windows 7 Professional 64-bit upgradeable to Windows 10 Pro