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Memory RAM | 2GB - Lenovo ThinkPad T420 T-Series - (OEM-# 55Y3710, 55Y3716, 78Y7392, 64Y6651) - 1333MHz, Unbuffered, 1,5V
I have a Lenovo Thinkpad T420 Core i5 2520M. What is the maximum memory I can have - 8 GB or 16 GB? - Quora
![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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OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com
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Memory RAM | 4GB - Lenovo ThinkPad T420 T-Series - (OEM-# 55Y3711, 55Y3717, 78Y7385) - 1333MHz, Unbuffered, 1,5V
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