McPhilips Digital Solutions LTD - Brand New LENOVO B50-80;5th gen CORE i3 INTEL Processor (2.0GHz), 4GB RAM, Intel HD Graphics, 500GB Hard Disk, WEB Cam, HDMI, 15.6" LED Screen, Full Keyboard, DvD
How to Upgrade/Install RAM to your Laptop - Lenovo B50-70 - YouTube