Acer Aspire S3-951-6646 Ultrabook with 13.3-Inch HD Display. Introducing the Acer S3 Ultrabook, the PC that will have you instantly powered on and connected to the Web in no time- and at a price you can afford! The ultrathin 13.3" design weighs in at just under 3lbs and is only .5" thin while packing powerful 2nd gen Intel® Core™ i5 processor performance. All the best new experiences in a streamlined design, changing your mobile-computing way of life!