Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Amazing performance, blazing fast startups, brilliant HD video, and graphics, battery life that lasts as long as you do, and speed that keeps up with your imagination, that's what you'll find in the 6th Gen Intel® Core™ processors—Intel's best ever. Intel Core i3-6xxx Lenovo ThinkCentre M810z, 54.6 cm (21.5"), Full HD, Intel® Core™ i3, 8 GB, 128 GB, Windows 7 Professional Lenovo ThinkCentre M810z. Product type: All-in-One PC. Display diagonal: 54.6 cm (21.5"), HD type: Full HD, Display resolution: 1920 x 1080 pixels, Screen shape: Flat. Processor family: Intel® Core™ i3, Processor frequency: 3.7 GHz. Internal memory: 8 GB, Internal memory type: DDR4-SDRAM. Total storage capacity: 128 GB, Storage media: SSD. Built-in camera. Optical drive type: DVD±RW. Operating system installed: Windows 7 Professional. Product colour: Black