Lenovo ThinkPad Edge E540 Notebook Laptop 15.6" i3 8GB 250GB SSD Windows 10 PRO
Amazon.com: Nimitz 2nd HDD SSD Hard Drive Caddy Compatible with Lenovo Thinkpad E540 E531 with Faceplate/Bracket : Electronics
Amazon.com: 2nd HDD SSD Hard Drive Optical Frame Caddy Adapter for Lenovo ThinkPad E440 E540 E431 E531 only with Bezel Front Panel Faceplate Metal Bracket Holder : Electronics
2nd Hard Drive SSD HDD Caddy for Lenovo ThinkPad E540 E440 L540 L440 Swap UJ152 UJ-152A Blu-ray Burner DVD
Lenovo Thinkpad E540 Hard Drive Replacement - iFixit Repair Guide