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 Hard Drive HDD HP EliteDesk 705 G3, 3.5 GHz, AMD PRO A10, 4 GB, 500 GB, DVD±RW, Windows 10 Pro HP EliteDesk 705 G3. Processor frequency: 3.5 GHz, Processor family: AMD PRO A10, Processor model: PRO A10-8770. Internal memory: 4 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 2400 MHz. Total storage capacity: 500 GB, Storage media: HDD, Optical drive type: DVD±RW. On-board graphics card model: AMD Radeon R7. Operating system installed: Windows 10 Pro, Operating system architecture: 64-bit. Power supply: 280 W. Chassis type: Micro Tower. Product type: PC