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 DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y Lenovo Essential B560, 2,13 GHz, 39,6 cm (15.6"), 1366 x 768 pixels, 2 GB, 250 GB, Windows 7 Professional Lenovo Essential B560. Processor frequency: 2,13 GHz. Display diagonal: 39,6 cm (15.6"), Display resolution: 1366 x 768 pixels. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 250 GB, Optical drive type: DVD-RW. Operating system installed: Windows 7 Professional. Product colour: Black. Weight: 2,2 kg https://www.techradar.com/reviews/pc-mac/laptops-portable-pcs/laptops-and-netbooks/lenovo-thinkpad-b560-984228/review While Lenovo's ThinkPad range usually appeals to business users, its cut-price ThinkPad B560 is a well-built machine that should suit anyone after a cheap portable. It'll suit regular travellers and commuters too, despite a less-than-impressive battery... Good performance, Build quality, Portability Battery life, Graphics power