Lenovo ThinkPad P50 Mobile Workstation Laptop - Windows 7 Pro - Intel Xeon E3-1505M, 64GB RAM, 1TB SSD, 15.6" 4K UHD IPS (3840x2160) Display, NVIDIA Quadro M2000M, Pantone Color Sensor Intel Xeon E3-1505M (8M Cache, up to 3.7 GHz) - 1TB Solid State Drive - 64GB PC4-17000 DDR4 SDRAM, 2133MHz SODIMM - Pantone Color Sensor 15.6" 4K UHD IPS (3840x2160) Anti-Glare, Non-Touch Display - NVIDIA Quadro M2000M Discrete Graphics with 4GB VRAM - Stereo Speakers Built in HD 720p Webcam with Dual noise-cancelling Microphones - Intel Dual Band Wireless-AC (2x2) 8260, Bluetooth Version 4.1 - Fingerprint Reader - SmartCard Reader 4x USB 3.0 ports (one Always On), HDMI, mini-DisplayPort, Ethernet (RJ-45), USB Type-C / Thunderbolt 3, Dock Connector, 4-in-1 card Reader, Dock Connector, Headphone/Mic Combo Windows 7 Pro 64-Bit - ThinkPad Precision Spill-Resistant, Backlit Keyboard with Full NumberPad / 6-cell Li-Polymer (90Whr) External Battery / 170-Watt AC-Adapter