Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y You can spend more time running your business and less time concerned with IT when you have Windows 10 Pro. Build-in security, enhanced productivity features, and easy-to-implement management tools provide an essential foundation to keep your business humming. Windows 10 Pro for Workstations Intel® Xeon® processors deliver cloud computing, real-time analytics, processing for your mission-critical business, and big data insights. Improve data center efficiency and reliability to handle any workload. Intel Xeon W Lenovo ThinkStation P520c, 3.6 GHz, Intel Xeon W, 16 GB, 512 GB, DVD±RW, Windows 10 Pro for Workstations Lenovo ThinkStation P520c. Processor frequency: 3.6 GHz, Processor family: Intel Xeon W, Processor model: W-2123. Internal memory: 16 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 2666 MHz. Total storage capacity: 512 GB, Storage media: SSD, Optical drive type: DVD±RW. Operating system installed: Windows 10 Pro for Workstations, Operating system architecture: 64-bit. Power supply: 500 W. Chassis type: Tower. Product type: Workstation. Product colour: Black