Lenovo ThinkPad 15.6" T520 Core i5-2520M Laptop Windows 10 4GB RAM 320GB HD DVD WiFi Power Adapter
LENOVO THINKPAD T520,, 15.6-inch, Inter Core I7-2620M 2.7G, 8G DDR3 RAM, 480G SSD, DVD, WIFI, W10H64, 1 Year Warranty(EN/FR) Used Grade A - Walmart.com
8GB Stick for IBM Lenovo ThinkPad T Series T420 T420i T420s T520 T520i. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
A-Tech 8GB Memory RAM for Lenovo Thinkpad T520 4239 - DDR3 1600MHz PC3-12800 Non ECC SO-DIMM 2Rx8 1.5V - Single Laptop & Notebook at Amazon.com