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 Legacy Intel® Core™ Processor Intel Core i3-2xxx Lenovo IdeaCentre A520, 58.4 cm (23"), Full HD, Intel® Core™ i3, 4 GB, 500 GB, Windows 8 Lenovo IdeaCentre A520. Display diagonal: 58.4 cm (23"), HD type: Full HD, Display resolution: 1920 x 1080 pixels, Touchscreen. Processor family: Intel® Core™ i3, Processor frequency: 2.2 GHz. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Storage media: HDD. Discrete graphics card model: NVIDIA® GeForce® 615M. Built-in camera. Optical drive type: Blu-Ray DVD Combo. Operating system installed: Windows 8. Product colour: Black, Silver https://www.expertreviews.co.uk/pcs/pc-systems/53037/lenovo-ideacentre-a520-review For many users, all-in-one PCs are a lot smaller and more approachable than traditional PCs, and they’re usually cheaper too. Lenovo’s IdeaCentre A520 may not be the prettiest all-in-one we’ve ever seen, but this chunky PC still puts up a good fight again... A good all-in-one PC with lots of ports, but its lacklustre display and aging hardware hold it back...