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
Lenovo T440 Thinkpad Upgrades
Lenovo Thinkpad T440s Hard Drive Replacement - iFixit Repair Guide
Lenovo T440 Hard Drive SSD and RAM removal and upgrade | Lenovo ThinkPad T440 Disassembly - YouTube
Lenovo T440 - Intel Core i5-4300U – 4th Generation - 8GB Ram – 500GB H – GTS UK
Amazon.com: Nimitz 2nd HDD SSD Hard Drive Caddy Adapter Compatible with Lenovo Thinkpad T440p T540p W540p W541 with Bezel : Electronics