https://www.dealtikka.com/lenovo-thinkpad-edge-e540-20c6008qus-15-6-intel-quad-core-i7-4702mq-2-2-ghz-8gb-ram-500gb-7200k-hard-drive-w7p64-laptop-computer-1-year-warranty/
Lenovo ThinkPad Edge E540 20C6008QUS 15.6" Intel Quad Core i7-4702MQ 2.2 GHz 8GB RAM, 500GB 7200K Hard Drive, W7P64 Laptop Computer, 1 Year Warranty