Lenovo ThinkPad T420s 4174E12 14" LED Notebook - Intel - Core i5 i5-2540M 2.6GHz - Black - 2KQ4515 - Shoplet.com
16GB KIT (2 x 8GB) 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