ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR 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 Solid state drive SSD 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 E3 v6 HP Z240 Tower + NVIDIA Quadro P600 (2GB), 3.7 GHz, Intel® Xeon® E3 v6, 8 GB, 256 GB, DVD-RW, Windows 10 Pro HP Z240 Tower + NVIDIA Quadro P600 (2GB). Processor frequency: 3.7 GHz, Processor family: Intel® Xeon® E3 v6, Processor model: E3-1245V6. Internal memory: 8 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 2400 MHz. Total storage capacity: 256 GB, Storage media: SSD, Optical drive type: DVD-RW. On-board graphics card model: Intel® HD Graphics P630. Operating system installed: Windows 10 Pro, Operating system architecture: 64-bit. Power supply: 400 W. Chassis type: Tower. Product type: Workstation