series notebooks have long been the gold standard for mainstream business
systems because of their strong performance, superior build quality. the T420
is designed for durability. The rubberized ABS plastic lid, carbon-reinforced
bottom, and internal roll cage help protect against shocks .
A. Yes,this model can run automation and video editing softwares very well
A. Fans are in proper working condition,though voice can be bit more than brand new ones
A. Yes,ram can be extended upto 16gb(2 modules)