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 IdeaPad Y550, Intel® Core™2 Duo, 2.1 GHz, 39.6 cm (15.6"), 1366 x 768 pixels, 4 GB, 500 GB Lenovo IdeaPad Y550. Processor family: Intel® Core™2 Duo, Processor model: T6500, Processor frequency: 2.1 GHz. Display diagonal: 39.6 cm (15.6"), Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Optical drive type: DVD-RW. Operating system installed: Windows Vista Home Premium. Weight: 2.75 kg