Youre cpu dropped to 1,72 make sure you enable high performance in you're powersettings in the windows control panel so youre cpu stays at 3,3Ghz. Youre CPU is not the moste powerfull for Dayz and the highest possible frequency is the best.
Looking at youre memory is is a little low swap youre 2gb module for a 4gb fot a total of 8gb, youre graphics card is way underpowered.