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 Lenovo ThinkPad SL400, Intel® Core™2 Duo, 2 GHz, 35.8 cm (14.1"), 2 GB, 250 GB, Windows Vista Business Lenovo ThinkPad SL400. Processor family: Intel® Core™2 Duo, Processor model: T5870, Processor frequency: 2 GHz. Display diagonal: 35.8 cm (14.1"). Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 250 GB, Optical drive type: DVD-RW. Operating system installed: Windows Vista Business. Product colour: Black. Weight: 2.5 kg http://www.computeractive.co.uk/pcw/review/1922781/lenovo-thinkpad-sl400-notebook-pc The old adage of ‘if it ain’t broke don’t fix it’ certainly applies to Lenovo’s Thinkpad styling.There have been some subtle changes to the design over the years, but you can recognise the familiar black slab across a crowded room.While the matt black ... Usual Thinkpad build quality and security features, Disappointing performance and surprisingly small hard disk, The new SL400 is a worthy addition to the family with a good blend of features, security, system tools and a reasonable price tag... https://www.techradar.com/reviews/pc-mac/laptops-portable-pcs/laptops-and-netbooks/lenovo-thinkpad-sl400-477427/review The Lenovo ThinkPad line is aimed at business users, but the new SL range is targeted solely at small businesses and home workers looking for business styling, but also more mainstream features. Youll find the usual ThinkPad styling and attention to de... Sturdy build, Impressive battery life, 3G connectivity Basic performance https://www.techadvisor.co.uk/review/budget-laptops/lenovo-thinkpad-sl400-review-106316/ The affordable, all-purpose Lenovo ThinkPad SL400 laptops offer much of the look and feel youd expect from a more expensive ThinkPad. Usually, ThinkPads dont come cheap. You expect to pay dearly for the classy keyboard, rugged chassis, and whateve... Overall, the Lenovo ThinkPad SL400 is a sound business laptop. Although it doesnt pack the firepower of some high-end machines, it gets the job done handily. Its combination of performance and value places it near the top of our charts. Darren Gladst...