CMS 16GB (2X8GB) DDR3 12800 1600MHz NON ECC SODIMM Memory Ram Upgrade Compatible with Dell® Latitude E6540 Laptop/Notebook. - A7 - Newegg.com
Dell Latitude E6540 Laptop Motherboard AMD Graphics - VPH0Y
Dell Latitude E6540 15.6in FHD Business Laptop Computer, Intel Core i7-4800MQ up to 3.7GHz, 8GB RAM, 500GB HDD, USB 3.0, DVD-RW, HDMI, Windows 10 Professional (Renewed)
Dell Latitude E6540 15.5″ i7-4800MQ 2.7GHz 8GB RAM Tested No HDD – eRecycler Online
Renewed Dell Latitude E6540 14" | i7-4800mq 2.6GHz | i7-4800 with 90-day warranty