T520 bottom palmrest differences - Thinkpads Forum
Refurbished Lenovo Black 15.6" ThinkPad T510 Laptop PC with Intel Core i5-520M Processor, 4GB Memory, 500GB Hard Drive and Windows 10 Home - Walmart.com
Lenovo ThinkPad T510 Review: A 15.6in Lenovo laptop with good speed and long battery life - Notebooks - All Purpose - PC World Australia
Lenovo ThinkPad 15.6" T510 Core i3-370M Laptop Windows 10 4GB RAM 250GB HD DVD WiFi Power Adapter
ThinkPad Laptop T Series T510 (4313CTU) Intel Core i5 1st Gen 560M (2.66GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 64-bit - Newegg.com