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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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Amazon.com: Lenovo Thinkpad T420 14.1" HD Display Laptop, Intel Core i5, 4GB DDR3, 320GB HDD, DVD, Win7 Pro
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Refurbished: Lenovo T420 Notebook Computer, Intel Core i5 2520M 2.5Ghz, 8GB RAM, 240GB SSD, Webcam, DVDRW, Windows 10 - Newegg.com
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CMS 16GB (2X8GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 - Newegg.com
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Lenovo ThinkPad T420 4180B39 14" Notebook - HD+ - 1600 x 900 - Intel Core i5 2nd Gen i5-2520M Dual-core (2 Core) 2.50 GHz - 4 GB Total RAM - 320 GB HDD - Black-4180B39
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Lenovo ThinkPad T420 14.1 Inch Laptop i5 2.50 GHz 8GB 128 GB HDD Windows 10 Pro (Used) - Walmart.com
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Used Grade A Lenovo ThinkPad T420 14.0" Laptop, Intel Core I7-2620M up to 3.4Ghz, 8G DDR3, 500G, DVDRW, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty - Walmart.com
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128GB mSATA 6Gb/s Internal SSD Compatible with Lenovo ThinkPad T420 Series C29 - Computer Memory Solutions
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