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 Legacy Intel® Core™ Processor Intel Core i7-2xxx DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y Lenovo ThinkPad T420, Intel® Core™ i7, 2.8 GHz, 35.6 cm (14"), 1366 x 768 pixels, 4 GB, 500 GB Lenovo ThinkPad T420. Product type: Laptop, Form factor: Clamshell. Processor family: Intel® Core™ i7, Processor model: i7-2640M, Processor frequency: 2.8 GHz. Display diagonal: 35.6 cm (14"), HD type: HD, Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Storage media: HDD. Mobile network generation: 3G. Operating system installed: Windows 7 Professional. Product colour: Black http://www.evogadget.com/lenovo-thinkpad-t420/ The ThinkPad T line developed by Lenovo is a very good selling name. This series will always be remembered for making superb mainstream business systems. If you're into excellent keyboards, smashing performance and best materials, you should totally check... The Lenovo ThinkPad T420 is a notebook which will take you through fire and water. The most amazing spec is the battery and the most amazing feature is the keyboard. You'll have to refrain from getting it if you're all about a light and thin gadget.... https://www.techadvisor.co.uk/review/laptops/lenovo-thinkpad-t420-review-3299526/ No one ever got fired for buying a ThinkPad, as the saying goes, and without a doubt no one will get fired for buying the latest Lenovo ThinkPad T420. This scintillatingly fast Sandy Bridge refresh of the familiar business-black, boxy-but-impressive, a... The Lenovo ThinkPad T420 is solidly constructed and offers racehorse performance. It's highly configurable with multiple warranty options, as befits a business laptop. Just about every IT person we know swears by the T series, for their clients and the...