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Lenovo ThinkPad L420 14 inch Laptop (Intel Core i5 2520M 2.5GHz, RAM 4GB,HDD 500GB, DVD±RW, WLAN, WWAN, BT, Webcam, Windows 7 Professional 64-bit) - Blac : Amazon.co.uk: Computers & Accessories
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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