Asus introduced the new VivoBook S551 ultrabook
asus recently launched a new ultrabook called vivobook s551. vivobook s551 asus is equipped with 15.6-inch touch screen, haswell processor chip, nvidia gt 740m discrete graphics
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VivoBook V551 - Ultrabook using Asus Haswell chip
vivobook v551 is ultrabook with 15.6-inch screen, using intel core i7-4500u platform haswell and nvidia's discrete graphics card.