Lenovo Thinkpad T430s 14in HD Business Performance Laptop Computer PC, Intel Dual Core i5-3320M up to 3.3GHz, 8GB Ram, 256GB SSD, DVD, Bluetooth, Windows 10 Professional (Renewed) : Amazon.ca: Electronics
Tutorial: How To Upgrade Lenovo T430s RAM from 4GB to dual channel 8GB 16GB - YouTube