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 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y 4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i3-4xxx Lenovo ThinkCentre Edge E93z, 54.6 cm (21.5"), Full HD, Intel® Core™ i3, 4 GB, 500 GB, Windows 7 Professional Lenovo ThinkCentre Edge E93z. Product type: All-in-One PC. Display diagonal: 54.6 cm (21.5"), HD type: Full HD, Display resolution: 1920 x 1080 pixels. Processor family: Intel® Core™ i3, Processor frequency: 3.4 GHz. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Storage media: Hybrid-HDD. Discrete graphics card model: NVIDIA® GeForce® GT 720A. Built-in camera. Optical drive type: DVD±RW. Operating system installed: Windows 7 Professional. Product colour: Black https://www.pcmag.com/reviews/lenovo-thinkcentre-e93z The Lenovo ThinkCentre E93z ($1,329, as tested) is a more-than-satisfactory mainstream all-in-one business desktop. It's a system that will stand users in good stead for about five or so years before it starts to feel dated, thanks to a 4th-generation Int... Good multimedia performance. 1080p-resolution monitor. HDMI-in ports. UltraFlex stand with dual hinge. Shutter on webcam. Not end-user serviceable. Single-band 802.11 b/g/n Wi-Fi. Hard drive is slower than solid-state drives seen in its competitors Packed with features and competent enough for a wide range of business needs, the Lenovo ThinkCentre E93z is a good choice for a small business that needs an all-in-one desktop for the long haul.... https://www.crn.com/reviews/mobility/300071691/review-lenovo-thinkcentre-e93z-all-in-one.htm We had to do a double-take when the performance numbers started coming in from the ThinkCentre E93z , Lenovo's latest all-in-one PC. Granted, the tested system was sporting a 3.1GHz quad-core processor, but that an AiO would perform like a workstation was... The Lenovo ThinkCentre E93z is a 21.5-inch all-in-one desktop PC that comes loaded with 4GB of RAM and an Intel Core i7 CPU. It has a 1080p full HD touch screen display mounted on an ultra flex arm for maximum adjustment.The design of the ThinkCentre E93z... Stand provides maximum adjustment, Beautiful 1080p touch display, HDMIinput, Strong performance Included mouse & keyboard are mediocre