16GB KIT (2 x 8GB) for IBM Lenovo ThinkPad L Series L412 L420 L512 L520. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad L520 5016; 5017; 7859; 7860 Series - A13 at Amazon.com