Lenovo ThinkPad T440 m.2 SSD and 2.5" SSD Install (how to + test run) - YouTube
Amazon.com: Lenovo Thinkpad T440 High Performance Business Laptop, Intel Dual-Core i5-4300U up to 2.9 GHz, 4GB DDR3, 500GB HDD, 14in HD LED-backlit display, WiFi, Windows 10 Pro(Renewed) : Electronics