OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T500 Series (DDR3-8500) Laptop Memory at Amazon.com
8GB KIT (2 x 4GB) for IBM Lenovo ThinkPad T Series T400 T400s T500. SO-DIMM DDR3 Non-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com