Used For Lenovo ThinkPad W540 Laptop N15P-Q3-A1 Motherboard K2100m 04X5325 - AliExpress
Used(good working little Scratch) Lenovo ThinkPad W540 Mobile Workstation 15.6" FHD Business Laptop Computer, Intel Core i7-4800MQ, 8GB RAM, 250GB SSD, NVIDIA Quadro K1100M, Windows 10 Professional - Walmart.com
Lenovo ThinkPad W540 Mobile Workstation Laptop Review