The second-generation Samsung Series 9 15-inch notebook is one of the thinnest, lightest, and most elegantly designed notebooks you'll find this size. It's just over a half-inch thick and has been updated with a sandblasted aluminum finish (forget about scratches and fingerprints) and has a 1600 x 900 resolution display that delivers outstanding vibrancy and sharpness with wide viewing angles.
Ivy Bridge processor delivers faster system performance, uses less power, and enables sharper graphics
Long battery life of 10 hours* combines with a weight of just 3.6 pounds for excellent on-the-go portability
Clean design touches include smooth, polished edges and a spacious, buttonless trackpad that blends into the palm rest
Well-spaced keyboard with amply sized keys is comfortable to use and is backlit to keep you typing after the lights go down â?¢ 128 GB solid state drive enables fast bootups and sleep-resume times, and is more durable than standard hard-disk drives

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Compare ASUS A55A-AH51-WT 15.6-Inch LED Laptop (White) Vs Samsung Series 9 NP900X4C-A04US 15" - Intel Core i5-3317U Ultrabook - 8GB RAM - 128GB SSD - HDMI - 8 cell -Windows 7 -3.63 lbs- Ash Black