8GB 2X4GB Memory RAM for Lenovo ThinkPad SL Series SL510 ( Type 2847 ) 204pin 1066MHz PC3-8500 DDR3 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.ca
8GB 2 X 4GB Memory Compatible for Lenovo ThinkPad G460 G560 L410 L510 R400 R500 SL410 SL510 Laptop - DDR3 SODIMM 1066MHz PC3-8500 204 pin RAM (Parts-Quick Brand) at Amazon.com
How To Upgrade the Ram in a Lenovo ThinkPad - YouTube