Specs:
i5 760
Kingston 8gb (4x2gb) RAM @ 1333MHz
Sapphire R9 280X Dual-X 3GB @ stock speeds
Samsung 840 pro 256gb for OS
Seagate 500gb 7200rpm for games including Arma
TX750M 750 watt psu
Using Play withSIX for modded Arma, although crashes happen both on vanilla version and the modded version
Launch parameters:
-cpucount=4 -maxmem=2047 -maxvram=2047 -nosplash -nopause -skipintro -nologs