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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A-Tech 8GB RAM for Lenovo THINKPAD T420 4177 | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Module at Amazon.com
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OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory : Amazon.co.uk: Computers & Accessories
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CMS 8GB (1X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A14 at Amazon.com
![HD] Reinstalling the Keyboard/2nd RAM Slot on a Lenovo Thinkpad T420 T410 T400 X220 X200 Edge W - YouTube HD] Reinstalling the Keyboard/2nd RAM Slot on a Lenovo Thinkpad T420 T410 T400 X220 X200 Edge W - YouTube](https://i.ytimg.com/vi/YEFAZ0Sdztw/maxresdefault.jpg)
HD] Reinstalling the Keyboard/2nd RAM Slot on a Lenovo Thinkpad T420 T410 T400 X220 X200 Edge W - YouTube
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