CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T510 4384-Xxx; 4384Wan; 4384Y13 - A29 at Amazon.com
Restored Lenovo Black 15.6" ThinkPad T510 Laptop PC with Intel Core i5-520M Processor, 4GB Memory, 320GB Hard Drive and Windows 10 Pro (Refurbished) - Walmart.com
Renewed Lenovo ThinkPad T510 Laptop i5-M520 8GB RAM 500GB HDD Windows 10 15" 1366x768 Webcam With 30 Days Return, 90 Days Exchange Warranty
Is it possible to upgrade Lenovo ThinkPad W510 to 32 GB RAM? - Quora
8GB (4GBx2) Team High Performance Memory RAM Upgrade For Lenovo ThinkPad T510 Series W500 Series Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com