Amazon.com: Dell Latitude E6540 15.6 Inch UltraSharp FHD(1920x1080) LED Business Laptop Intel Core i7 i7-4610M 3.0GHz 16GB RAM 500GB Solid State Hybrid Drive DVDRW Webcam WiF+BT Windows 7 Professional : Electronics
Dell Latitude E6540 disassembly and RAM, HDD upgrade options | MyFixGuide.com