How to upgrade RAM for Lenovo Thinkcentre Mini Pc - YouTube
Amazon.com: lenovo ThinkCentre M73 Tiny Form Factor Business Desktop Computer, Intel Dual-Core G3220T Processor 2.60 GHz, 8GB RAM, 500GB HDD, WiFi, USB 3.0, VGA, Windows 10 Pro (Renewed) : Electronics
Lenovo ThinkCentre M73 Tiny – Specs and upgrade options
Lenovo ThinkCentre M73 Small Form Factor Business Desktop Intel Core i5 4th Gen 4570 (3.20 GHz)8GB RAM 1TB HDD Intel HD Graphics, Windows 10 Pro 64-bit, Wifi, Keyboard & Mouse
Upgrading the Lenovo m93, m93p, m73 Step by Step - YouTube