DELL LATITUDE E6540 Laptop, 15.6 Intel Core I5-4200M 2.5G, 16G DDR3L, 512G SSD, DVDRW, HDMI, VGA,USB 3.0,WIFI, Windows 10 Pro 64 Bit-Multi-Language, 1 Year Warranty Used Grade A - Walmart.com
Refurbished: Dell Latitude E6540 15.6-in Laptop - Intel Core i7 4800MQ 4th Gen 2.70 GHz 16GB 512GB SSD DVD-RW Windows 10 Pro 64-Bit - Bluetooth, Webcam - Newegg.com
Used - Dell Latitude E6540, 15.6" FHD Laptop, Intel Core i7-4800MQ @ 2.70 GHz, 16GB DDR3, NEW 128GB SSD, DVD-RW, Bluetooth, Webcam, Win10 Home 64 - Walmart.com
Dell Latitude E6540 - ACE Recycling
Dell Latitude E6540 Review | PCMag
Dell Latitude E6540 15.6-inch (2014) - Core i5-4310M - 8 GB - SSD 256 GB | Back Market
Refurbished: Dell Latitude E6540, 15.6" FHD Laptop, Intel Core i7-4610M @ 3.00 GHz, 16GB DDR3, NEW 500GB SSD, DVD-RW, Bluetooth, Webcam, No Operating System - Newegg.com
Dell Latitude E6540 Hard Drive Replacement - iFixit Repair Guide