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What's DOS?
Posts: 1
Registered: ‎07-15-2018
Location: GB
Views: 370
Message 1 of 2

Lenovo M490s RAM upgrade



I urgently need to upgrade RAM in my Lenovo M490s from 4 GB to 8GB


I am currently staying in China so need to find the best way to upgrade it. There are some sites here I can order RAM but I am not sure what I should be looking for. 


Is there a specific dual channel model of the Samsung 2x4GB ram number parts I should be looking for?


Any suggestions?


I have attached a photo of the current ram modules


Thank you

Bit Torrent
Posts: 4,580
Registered: ‎11-22-2011
Location: US
Views: 322
Message 2 of 2

Re: Lenovo M490s RAM upgrade

Your current stick:

2GB, 1600MHz, DDR3L-1600 PC3-12800, 204p SODIMM, 1.35v




8GB max: 


Adding matching memory sticks in 2 slots will allow dual channel support.


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