If you have the extra cash, do go for the i7 model mainly for the 16gb of RAM The criteria depend on the type of product and can include energy efficiency, reduction of fluorinated greenhouse gases F-Gases , and end of life management. Conserves energy compared to similar products. Also really love the kickstand, it folds all the way back into "studio mode" and works great for taking notes. SAD Driver pack installer - with option to make and add your own driver pack.
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