Refurbished: Dell Latitude 5590 15.6" Full HD 1920 x 1080 Touchscreen Ultrabook - 8th Gen Intel QUAD Core i7-8650U 1.9GHz 8 GB RAM DDR4 1TB SSD Wi-Fi Bluetooth Windows 10 Pro - Newegg.com
How to upgrade ram & ssd m.2 on dell latitude 5580/5590 - YouTube