LENOVO THINKCENTRE M820Z. Compact design robust performance The 21.5 Think Centre M820z AIO is built for productivity. This mainstream enterprise all-in-one packs a 9th gen Intel Core i 5 processor & 8GB DDR4 memory for handling intensive tasks. Its strong security features MIL-SPEC-tested reliability & easy manageability make it ideal for any business environment. UNMATCHED PRODUCTIVITY With its 256GB PCIe SSD powered by 3D NAND technology the M820z promises responsive computing & seamless multitasking. & its USB (Universal Serial Bus) 3.1 Gen 2 & USB (Universal Serial Bus)-C ports enable fast data transfers to keep your productivity high. STEADFAST RELIABILITY Tested to meet military specifications the M820z is durable enough to last. It’s tested against eight MIL-SPEC standards low pressure (altitude); vibration; high temperature; low temperature; sand/dust; temperature shock; humidity; & shock. You can depend on this AIO. EASY TO SET UP… This compact AIO takes up hardly any space keeping your desk space tidy & professional looking. It’s also VESA-mountable & its borderless display & optional stand make it even less intrusive on your workspace. …AND EASY TO USE Little features make the M820z convenient & manageable. With the Keyboard Power On feature you can switch on the AIO from the keyboard. The Smart Webcam rotates 180 degrees horizontally & 50 degrees vertically enabling you to switch between front & rear cameras while making video conferences a snap. It also comes with Think Shutter protecting your privacy when the camera is not in use. ALSO PROTECTS EYES & INCREASES PRODUCTIVITY The M820z display helps reduce eye strain; its antiglare panel scatters light & stays flicker-free & its Eye Comfort & Low Blue Light certifications ensure your eyes will stay comfortable when working those long hours. Also with advanced 10pt multi touch screen your ease of access to options on your devices increases giving you the ability to get more done. .