Hello, I'm trying to upgrade my laptop's ram from 4gb to 8gb. Currently, my laptop has
4gb of DDR3 (667MHz) 10700 in dual channel. I want to buy this: http://www.newegg.com/Product/Product.aspx?nm_mc=AFC-Te...
Will it be compatible with my laptop?
Will I see any real world speed difference from the speed downgrade?