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 RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after July 1, 2006 must pass RoHS compliance. The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). RoHS <b>Higher Performance When You Need It Most</b> Intel® Turbo Boost Technology 2.01 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration. 2.0 Windows 10 offers more safety for your device, with features like Windows Hello and always-enabled free updates. Gamers experience best-in-class gameplay with Broadcast and Game Mode. And with built-in apps for 3D creation, photos, music, movies, maps and more - Windows 10 Home brings you more creativity and productivity than ever before. Windows 10 Home Intel® Core™ Processors - Work, play, and create as quickly and seamlessly as your heart desires.<br><br>- Faster performance empowering people to focus, create, and connect like never before<br>- Raising the bar on connectivity<br>- Video editing just under a minute Intel Core i5-9xxx Lenovo IdeaCentre T540, 2.9 GHz, Intel® Core™ i5, i5-9400F, 16 GB, 512 GB, Windows 10 Home Lenovo IdeaCentre T540. Processor frequency: 2.9 GHz, Processor family: Intel® Core™ i5, Processor model: i5-9400F. Internal memory: 16 GB, Internal memory type: DDR4-SDRAM. Total storage capacity: 512 GB, Storage media: SSD, Card reader integrated. Discrete graphics card model: NVIDIA GeForce GTX 1660. Operating system installed: Windows 10 Home, Operating system architecture: 64-bit. Power supply: 310 W. Chassis type: Tower. Product type: PC. Product colour: Grey