Asus S Series ultrabook. Posted by microsoftmissionary on August 9, 2012 12:37 am 6 Well Asus has done it again. They have redesigned the ultrabook with an optical drive in a 21mm format. Check the Source for more. Source: http://www.asus.com/News/1pGTOom1nTdVDgfr There are 6 Comments. Load 'Em Up. Show speed reading tips and settings Shortcuts to mastering the comment thread. Use wisely. C - Next Comment X - Mark as Read R - Reply Z - Mark Read & Next Shift + C - Previous Shift + A - Mark All Read Comment Settings Live comment alert: Hide it! Comments for this post are closed.