<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 i5-2xxx Lenovo ThinkPad L520, Intel® Core™ i5, 2.3 GHz, 39.6 cm (15.6"), 1366 x 768 pixels, 4 GB, 320 GB Lenovo ThinkPad L520. Processor family: Intel® Core™ i5, Processor model: i5-2410M, Processor frequency: 2.3 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: 320 GB, Storage media: HDD, Optical drive type: DVD±RW. On-board graphics card model: Intel® HD Graphics 3000. Operating system installed: Windows 7 Professional. Weight: 2.61 kg https://www.expertreviews.co.uk/laptops/50624/lenovo-thinkpad-l520-review Among the shiny consumer laptops that are Shopper's bread and butter, Lenovo's ThinkPad L520 sticks out. Its blocky, angular design; matt screen and unusual range of expansion ports shout "business laptop", but even though it also has Windows 7 Profess... The ThinkPad L520's styling will appeal to those who prefer function over form, and its fast processor, great keyboard and long battery life make it a sound business buy. ...