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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
I have a Lenovo Thinkpad T420 Core i5 2520M. What is the maximum memory I can have - 8 GB or 16 GB? - Quora
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