What settings were you looking to play DayZ at? If you are happy with medium(isn) settings you'll be able to enjoy DayZ just fine with this laptop. Might I suggest a ITX build as they also save on space and much more powerful than a laptop, and with a DIY build you can get much more stronger components and get much better gaming performance. Hope this helps.
Since my old computer is getting old and not functioning at it's best I started looking for a new laptop. I cam across a Lenivo ideapad with the following stats