Lenovo Singapore - Freebies alert: Buy any Lenovo ThinkPad and get FREE upgrade from 4GB to 16GB RAM. And up to 3-year Accidental Damage Protection for 1 cent only on select Ideapads.
SSD Upgrade for Lenovo E51-80 256GB/512GB/1TB/2TB | eBay
Lenovo G50-80 RAM Upgrade Tutorial (I have added 8GB RAM in addition to 4GB default RAM) - YouTube
How to upgrade RAM - Lenovo ThinkPad E580 - YouTube